# Tracon > Tracon documentation. Tracon is a .NET package family that adds a control > plane on Microsoft Agent Framework, published as NuGet packages that run > inside your own ASP.NET Core application. > > Page: https://tracon.dev/api/tracon/ > Summary: Tracon: Public types in the Tracon namespace. ## Namespaces [Tracon.Testing](/api/tracon.testing/) ## Classes [AgentDecoratorPipeline](/api/tracon.agentdecoratorpipeline/) Applies every registered [IAgentDecorator](/api/tracon.iagentdecorator/) to an agent, in the same order [Tracon.CompositeAgentCatalog](/api/tracon/) uses. [AgentDefinition](/api/tracon.agentdefinition/) The full definition of an agent. The same type is used whether the agent is declared in code or stored in the database; [AgentDefinition.Origin](/api/tracon.agentdefinition/#Tracon_AgentDefinition_Origin) tells the two apart. [AgentDefinitionCompiler](/api/tracon.agentdefinitioncompiler/) Chat agent, child agent (sub-agent), and harness agent production. [AgentDefinitionRequest](/api/tracon.agentdefinitionrequest/) Request to create or update an agent definition. [AgentDescriptor](/api/tracon.agentdescriptor/) A summary view of an agent listed in the catalog. It carries everything the user interface needs to draw the agent list, without having to build the agent. A source must not mutate a descriptor or its nested collections after returning it. [AgentExtensionContext](/api/tracon.agentextensioncontext/) The agent an [IAgentExtension](/api/tracon.iagentextension/) is configuring: the definition, the tenant, the one options object the compiler is about to build the agent from, and the wrappers and chat client rings the extension adds. [AgentParameter](/api/tracon.agentparameter/) A single named placeholder an [AgentDefinition](/api/tracon.agentdefinition/)'s instructions can reference as `{{name}}`. [AgentParameterValidationError](/api/tracon.agentparametervalidationerror/) A single parameter value violation. [AgentParameterValidationResult](/api/tracon.agentparametervalidationresult/) The outcome of [AgentParameterValidator.ValidateValues](/api/tracon.agentparametervalidator/#Tracon_AgentParameterValidator_ValidateValues_System_Collections_Generic_IReadOnlyList_Tracon_AgentParameter__System_Collections_Generic_IReadOnlyDictionary_System_String_System_String__System_Nullable_System_Int32__). [AgentParameterValidator](/api/tracon.agentparametervalidator/) Validates an [AgentDefinition](/api/tracon.agentdefinition/)'s parameter schema, and validates a run's supplied values against it. [AgentResponseFormat](/api/tracon.agentresponseformat/) The definition of a structured output. [AgentRunBudget](/api/tracon.agentrunbudget/) A run budget shared across an entire call tree. [AgentRunDocument](/api/tracon.agentrundocument/) A piece of reference text attached to a single run, kept apart from the model's instructions. [AgentRunRequest](/api/tracon.agentrunrequest/) Request for a trial run made from the UI. [AgentRunScope](/api/tracon.agentrunscope/) Represents the view of a running run that is exposed to the helper components in the run path. [AgentSessionManager](/api/tracon.agentsessionmanager/) Manages the lifecycle of named sessions: loads, restores, and saves them through [ISessionStore](/api/tracon.isessionstore/). [AgentSkillDefinition](/api/tracon.agentskilldefinition/) A markdown-based skill definition that can be loaded into an agent at run time. [AgentSkillResourceDefinition](/api/tracon.agentskillresourcedefinition/) A readable resource carried with an [AgentSkillDefinition](/api/tracon.agentskilldefinition/). [AgentSkillScriptDefinition](/api/tracon.agentskillscriptdefinition/) A server-executable script stored together with an [AgentSkillDefinition](/api/tracon.agentskilldefinition/). [AgentSourceDiagnostic](/api/tracon.agentsourcediagnostic/) Describes one agent source registered in the catalog. [AgentSourcePriority](/api/tracon.agentsourcepriority/) The priority values Tracon's own built-in agent sources use. [AmbientRunAttributionScope](/api/tracon.ambientrunattributionscope/) The ambient pass-through for attributing a run that does not run inside an HTTP request to a user and a set of labels. [AmbientTenantScope](/api/tracon.ambienttenantscope/) The ambient passing mechanism for running an operation executed in the background (outside an HTTP request) as a specific tenant. [AnthropicProviderExtensions](/api/tracon.anthropicproviderextensions/) Extensions that add the Anthropic (Claude) provider to the Tracon chain. [AnthropicProviderNames](/api/tracon.anthropicprovidernames/) The provider name registered by `UseAnthropic` and the [ModelBinding.ProviderSettings](/api/tracon.modelbinding/#Tracon_ModelBinding_ProviderSettings) keys. [AnthropicProviderOptions](/api/tracon.anthropicprovideroptions/) Tracon's Anthropic (Claude) provider settings. [ApiKeyCreationResult](/api/tracon.apikeycreationresult/) The result of a key creation operation. [ApiKeyDraft](/api/tracon.apikeydraft/) A draft for creating an API key. [ApiKeyGenerator](/api/tracon.apikeygenerator/) A helper that produces a raw API key value and its hash. [ApiKeyRecord](/api/tracon.apikeyrecord/) An API key's database-stored view, which CARRIES no raw VALUE. [ArchiveRow](/api/tracon.archiverow/) The JSON representation of a single row to write to the archive. [AttachmentContent](/api/tracon.attachmentcontent/) The content of a new attachment to be saved into the store. [AttachmentDescriptor](/api/tracon.attachmentdescriptor/) The metadata of an uploaded attachment. [AttachmentQuery](/api/tracon.attachmentquery/) The filter used to list attachments. [AuditChainQuery](/api/tracon.auditchainquery/) The criteria that scope a hash chain verification. [AuditChainVerification](/api/tracon.auditchainverification/) The result of verifying one tenant's audit trail hash chain. [AuditEntry](/api/tracon.auditentry/) A row in the audit trail that records who changed which entity and when. [AuditQuery](/api/tracon.auditquery/) The criteria that filter an audit trail query. [AzureOpenAIImageBuilderExtensions](/api/tracon.azureopenaiimagebuilderextensions/) Adds Azure OpenAI image generation to the Tracon chain. [AzureOpenAIProviderExtensions](/api/tracon.azureopenaiproviderextensions/) Extensions that add the Azure OpenAI provider to the Tracon chain. [AzureOpenAIProviderNames](/api/tracon.azureopenaiprovidernames/) The provider name registered by the `UseAzureOpenAI` call, and the [ModelBinding.ProviderSettings](/api/tracon.modelbinding/#Tracon_ModelBinding_ProviderSettings) keys. [AzureOpenAIProviderOptions](/api/tracon.azureopenaiprovideroptions/) Tracon's Azure OpenAI provider options. [CallableAgentReference](/api/tracon.callableagentreference/) One agent another agent may call, and the version of it that runs. [CanaryOptions](/api/tracon.canaryoptions/) Options for the canary evaluation background service. [CanaryPolicy](/api/tracon.canarypolicy/) Defines automatic rollback and gradual traffic-increase rules for an experiment canary variant. [ChildAgentInvoker](/api/tracon.childagentinvoker/) Wraps a sub-agent an agent may call; enforces depth, budget, and tenant limits and links the sub-run into the tree. [ClientToolResult](/api/tracon.clienttoolresult/) The result of a single client-side tool call, sent back so the run can continue. [CompactionSettings](/api/tracon.compactionsettings/) Determines how an agent compacts its conversation history. [CompiledAgentCache](/api/tracon.compiledagentcache/) Caches compiled agents keyed by `(tenant, name, definition fingerprint, dependency fingerprint, culture)`, holding one entry per `(tenant, name, definition fingerprint, culture)`. [ConfigurationDiagnostic](/api/tracon.configurationdiagnostic/) Reports whether a configuration key resolves. It does not carry the value. [ContentGuardContext](/api/tracon.contentguardcontext/) The context of an [IContentGuard](/api/tracon.icontentguard/) call. [ContentGuardResult](/api/tracon.contentguardresult/) The result of an [IContentGuard](/api/tracon.icontentguard/) check. [DataSubjectExport](/api/tracon.datasubjectexport/) A data subject's exported content. [DataSubjectScope](/api/tracon.datasubjectscope/) The sessions, runs, and conversations that belong to one data subject. [DefaultRunAttributionContext](/api/tracon.defaultrunattributioncontext/) The built-in [IRunAttributionContext](/api/tracon.irunattributioncontext/). It reports whatever [AmbientRunAttributionScope](/api/tracon.ambientrunattributionscope/) carries, and nothing otherwise. [DefaultRunErrorClassifier](/api/tracon.defaultrunerrorclassifier/) Tracon's built-in error classifier. [ElevenLabsProviderNames](/api/tracon.elevenlabsprovidernames/) The provider name the built-in ElevenLabs client reports, and the `ProviderSettings` keys it accepts on [SpeechRequest](/api/tracon.speechrequest/) and [SpeechDialogueRequest](/api/tracon.speechdialoguerequest/). [EvalCase](/api/tracon.evalcase/) A single test case inside an [EvalSuite](/api/tracon.evalsuite/). [EvalCaseAddResult](/api/tracon.evalcaseaddresult/) The result of [IEvalStore.AddCaseAsync](/api/tracon.ievalstore/#Tracon_IEvalStore_AddCaseAsync_System_Guid_Tracon_EvalCaseDraft_System_Threading_CancellationToken_). [EvalCaseDiff](/api/tracon.evalcasediff/) One case's outcome on both sides of an [EvalRunDiff](/api/tracon.evalrundiff/). [EvalCaseDraft](/api/tracon.evalcasedraft/) Carrier for adding a single [EvalCase](/api/tracon.evalcase/). [EvalCaseResult](/api/tracon.evalcaseresult/) The result of a single [EvalCase](/api/tracon.evalcase/) within an [EvalRun](/api/tracon.evalrun/). [EvalExpectedToolCall](/api/tracon.evalexpectedtoolcall/) A tool call an [EvalCase](/api/tracon.evalcase/) expects the agent to make. [EvalRun](/api/tracon.evalrun/) A single execution record and summary of an [EvalSuite](/api/tracon.evalsuite/). [EvalRunCompletion](/api/tracon.evalruncompletion/) The information needed to finalize a run. [EvalRunDiff](/api/tracon.evalrundiff/) The case-by-case difference between two completed [EvalRun](/api/tracon.evalrun/) records of the same suite. [EvalRunDiffBuilder](/api/tracon.evalrundiffbuilder/) Aligns two eval runs' per-case results into an [EvalRunDiff](/api/tracon.evalrundiff/). [EvalRunDiffQuery](/api/tracon.evalrundiffquery/) Which two eval runs to compare, and which page of the result to read. [EvalRunDiffUnavailableException](/api/tracon.evalrundiffunavailableexception/) Thrown by [IEvalStore.DiffRunsAsync](/api/tracon.ievalstore/#Tracon_IEvalStore_DiffRunsAsync_Tracon_EvalRunDiffQuery_System_Threading_CancellationToken_) when two eval runs exist but cannot be compared. [EvalRunQuery](/api/tracon.evalrunquery/) A query for filtering the run list. [EvalSuite](/api/tracon.evalsuite/) An evaluation (eval) suite defined for an agent: carries which agent is measured, with which checks. [Experiment](/api/tracon.experiment/) Represents an A/B experiment that splits traffic between two or more definition versions of the same agent. [ExperimentResultsQuery](/api/tracon.experimentresultsquery/) Defines a query for experiment results. [ExperimentVariant](/api/tracon.experimentvariant/) Defines one experiment variant: its definition version and traffic weight. [ExperimentVariantResult](/api/tracon.experimentvariantresult/) Summarizes run results for an experiment variant (calculated in the store). [ExtensionPointDiagnostic](/api/tracon.extensionpointdiagnostic/) One host-bound extension point and whether the host replaced its built-in default. [FixedTenantContext](/api/tracon.fixedtenantcontext/) An immutable tenant context that always returns the same tenant. [GeneratedApiKey](/api/tracon.generatedapikey/) The generated raw API key value and its derived forms. [GoogleImageBuilderExtensions](/api/tracon.googleimagebuilderextensions/) Adds Google image generation to the Tracon chain. [GoogleProviderExtensions](/api/tracon.googleproviderextensions/) Extensions that add the Google Gemini provider to the Tracon chain. [GoogleProviderNames](/api/tracon.googleprovidernames/) Provider name registered by the `UseGoogle` call, and the [ModelBinding.ProviderSettings](/api/tracon.modelbinding/#Tracon_ModelBinding_ProviderSettings) keys. [GoogleProviderOptions](/api/tracon.googleprovideroptions/) Tracon's Google Gemini provider settings. [GoogleSpeechBuilderExtensions](/api/tracon.googlespeechbuilderextensions/) Adds Google Gemini speech to the Tracon chain. [GoogleSpeechOptions](/api/tracon.googlespeechoptions/) Settings of [GoogleSpeechBuilderExtensions.UseGoogleSpeech](/api/tracon.googlespeechbuilderextensions/#Tracon_GoogleSpeechBuilderExtensions_UseGoogleSpeech_Tracon_ITraconBuilder_System_Action_Tracon_GoogleSpeechOptions__). [HarnessSettings](/api/tracon.harnesssettings/) Settings for the harness capabilities. It mirrors a safe subset of the `HarnessAgentOptions` structure of Microsoft Agent Framework. [HostedToolContext](/api/tracon.hostedtoolcontext/) What the factory of a hosted tool (`AddHostedTool`) learns about the agent it builds the tool for. [HostedToolPriceOverride](/api/tracon.hostedtoolpriceoverride/) Defines the configured price of one hosted tool kind at one provider. [HttpTenantContext](/api/tracon.httptenantcontext/) Resolves the tenant from the current HTTP request. [IdempotencyRequest](/api/tracon.idempotencyrequest/) An idempotency reservation request. [IdempotencyReservation](/api/tracon.idempotencyreservation/) The result of an [IIdempotencyStore.ReserveAsync](/api/tracon.iidempotencystore/#Tracon_IIdempotencyStore_ReserveAsync_Tracon_IdempotencyRequest_System_Threading_CancellationToken_) call. [IdempotencyResponse](/api/tracon.idempotencyresponse/) The stored HTTP response. [ImagePriceOverride](/api/tracon.imagepriceoverride/) Defines the configured price for one image-generation model. [InboundTrigger](/api/tracon.inboundtrigger/) An inbound trigger definition: an external event that starts a queued run. [JobCompletion](/api/tracon.jobcompletion/) The information needed to finalize a job. [JobContext](/api/tracon.jobcontext/) The context available during an [IJobHandler](/api/tracon.ijobhandler/) execution. [JobErrorCodes](/api/tracon.joberrorcodes/) The stable codes a job's [JobRecord.ErrorMessage](/api/tracon.jobrecord/#Tracon_JobRecord_ErrorMessage) carries when the failure comes from the queue itself rather than from a handler. [JobHandlerKeys](/api/tracon.jobhandlerkeys/) The built-in job handler keys, plus validation for the keys a consumer registers. [JobItemRecord](/api/tracon.jobitemrecord/) A single input of a batch job and that input's processing result. [JobItemResult](/api/tracon.jobitemresult/) The result of a processed job item. Reported with [IJobStore.ReportItemAsync](/api/tracon.ijobstore/#Tracon_IJobStore_ReportItemAsync_Tracon_JobItemResult_System_Threading_CancellationToken_). [JobLanes](/api/tracon.joblanes/) Well-known values and validation for job `lane` identifiers. [JobLeaseRequest](/api/tracon.jobleaserequest/) What a worker asks of [IJobStore.LeaseAsync](/api/tracon.ijobstore/#Tracon_IJobStore_LeaseAsync_Tracon_JobLeaseRequest_System_Threading_CancellationToken_): who it is, how long the lease lasts, which lanes it serves and, optionally, a per-tenant ceiling. [JobQuery](/api/tracon.jobquery/) A filter for querying the job list. [JobQueueDepth](/api/tracon.jobqueuedepth/) The number of open jobs in one lane/status pair. [JobRecord](/api/tracon.jobrecord/) The summary of a queued job. The header of its items ([JobItemRecord](/api/tracon.jobitemrecord/)). [JobRequest](/api/tracon.jobrequest/) The description of one job to queue through [IJobDispatcher](/api/tracon.ijobdispatcher/). [JobRetryException](/api/tracon.jobretryexception/) The exception an [IJobHandler](/api/tracon.ijobhandler/) throws to signal that it wants the job retried after a specific delay. [JobSchedule](/api/tracon.jobschedule/) The schedule record defining when and how a job runs. [JobTenantCap](/api/tracon.jobtenantcap/) A ceiling on how many jobs of a set of handler keys one tenant may hold leased at the same time. [JudgeScore](/api/tracon.judgescore/) One named score produced by an [IRunJudge](/api/tracon.irunjudge/). [LateToolCompletion](/api/tracon.latetoolcompletion/) The settled outcome of a tool call whose timeout had already been reported. [LiveVoiceAppend](/api/tracon.livevoiceappend/) Text sent into a live conversation's context. [LiveVoiceAttachRequest](/api/tracon.livevoiceattachrequest/) The request that attaches the server-side control connection to a live voice session. [LiveVoiceBuilderExtensions](/api/tracon.livevoicebuilderextensions/) Extensions that enable the provider-hosted live voice layer. [LiveVoiceCreateRequest](/api/tracon.livevoicecreaterequest/) The request that creates a live voice session. [LiveVoiceEvent](/api/tracon.livevoiceevent/) One event observed on a live voice session's sideband. [LiveVoiceSessionHandle](/api/tracon.livevoicesessionhandle/) The result of creating a live voice session. [LiveVoiceSessionOptions](/api/tracon.livevoicesessionoptions/) The settings of one live voice session. [LoopCriterion](/api/tracon.loopcriterion/) One declarative stop criterion of the harness loop (see `LoopSettings`). [LoopSettings](/api/tracon.loopsettings/) Turns the harness loop on: the agent is re-invoked until a stop criterion says the work is finished. [McpServerDefinition](/api/tracon.mcpserverdefinition/) A registered remote MCP server. Its tools are discovered at connection time and listed alongside the tools registered in code. [McpServerRequest](/api/tracon.mcpserverrequest/) Request to create/update an MCP server. [MemorySettings](/api/tracon.memorysettings/) Determines the memory providers bound to an agent. [ModelBinding](/api/tracon.modelbinding/) Determines the provider and the model an agent runs with. It carries *no* credentials; the API key is resolved from configuration. [ModelDescriptor](/api/tracon.modeldescriptor/) A model's capabilities and limits. [ModelFallback](/api/tracon.modelfallback/) One link of a [ModelBinding.Fallbacks](/api/tracon.modelbinding/#Tracon_ModelBinding_Fallbacks) chain. [ModelOutputLimit](/api/tracon.modeloutputlimit/) The output token limit a provider's chat client sends when [ModelBinding.MaxOutputTokens](/api/tracon.modelbinding/#Tracon_ModelBinding_MaxOutputTokens) is empty. [ModelPriceOverride](/api/tracon.modelpriceoverride/) Defines a configured price override for one model. [ModelProviderCredential](/api/tracon.modelprovidercredential/) A resolved, in-memory credential used to call a provider (a model, live voice or speech provider) on behalf of a specific tenant. [ModelProviderDescriptor](/api/tracon.modelproviderdescriptor/) A provider's definition as shown in the UI. [ModelProviderHealth](/api/tracon.modelproviderhealth/) A model provider's status at the last check. [ModelProviderRegistry](/api/tracon.modelproviderregistry/) Registry that holds the registered [IModelProvider](/api/tracon.imodelprovider/) implementations by name, and the single place that assembles the model-call pipeline. [ModelProviderSettings](/api/tracon.modelprovidersettings/) Helpers that read and validate a provider settings dictionary: the [ModelBinding.ProviderSettings](/api/tracon.modelbinding/#Tracon_ModelBinding_ProviderSettings) of a model binding, and the `ProviderSettings` of a speech request. [ModelRunJudgeOptions](/api/tracon.modelrunjudgeoptions/) Options for the built-in model-based judge ([Tracon.ModelRunJudge](/api/tracon/)). [NonTokenUsageRecord](/api/tracon.nontokenusagerecord/) One non-token item a workflow function node reported: the persistent record behind `GET /api/runs/{runId}/usage`. [OnlineEvaluationOptions](/api/tracon.onlineevaluationoptions/) Online evaluation settings. [OpenAICompatibleProviderExtensions](/api/tracon.openaicompatibleproviderextensions/) Extensions that add named providers with an OpenAI compatible chat API to the Tracon chain (OpenRouter, Groq, vLLM, Ollama, LM Studio, ...). [OpenAICompatibleProviderOptions](/api/tracon.openaicompatibleprovideroptions/) Constants for the configuration path of the providers that `UseOpenAICompatible` registers. [OpenAIImageBuilderExtensions](/api/tracon.openaiimagebuilderextensions/) Adds OpenAI image generation to the Tracon chain. [OpenAILiveOptions](/api/tracon.openailiveoptions/) Options of the OpenAI live voice provider. [OpenAILiveProviderExtensions](/api/tracon.openailiveproviderextensions/) Extensions that add OpenAI's live voice provider to the Tracon chain. [OpenAIProviderExtensions](/api/tracon.openaiproviderextensions/) Extensions that add the OpenAI provider to the Tracon chain. [OpenAIProviderNames](/api/tracon.openaiprovidernames/) The provider names that the `UseOpenAI` call registers, and the [ModelBinding.ProviderSettings](/api/tracon.modelbinding/#Tracon_ModelBinding_ProviderSettings) keys. [OpenAIProviderOptions](/api/tracon.openaiprovideroptions/) The OpenAI provider options of Tracon. [OpenAISpeechBuilderExtensions](/api/tracon.openaispeechbuilderextensions/) Adds OpenAI speech to the Tracon chain. [OpenAISpeechOptions](/api/tracon.openaispeechoptions/) Settings of [OpenAISpeechBuilderExtensions.UseOpenAISpeech](/api/tracon.openaispeechbuilderextensions/#Tracon_OpenAISpeechBuilderExtensions_UseOpenAISpeech_Tracon_ITraconBuilder_System_Action_Tracon_OpenAISpeechOptions__). [PatternContentGuardOptions](/api/tracon.patterncontentguardoptions/) Settings for the built-in pattern-based guard. [PendingApproval](/api/tracon.pendingapproval/) The pending tool approval request of a run that executes from the queue. [PricingDiagnostic](/api/tracon.pricingdiagnostic/) Whether the catalog can actually put a price on a run. [ProductionProfileResult](/api/tracon.productionprofileresult/) The answer one production profile check gives. [ProviderDiagnostic](/api/tracon.providerdiagnostic/) Summarizes diagnostics for a model provider. [QuotaConsumption](/api/tracon.quotaconsumption/) The consumption of a completed run to add to the quota counters. [QuotaDefinition](/api/tracon.quotadefinition/) A quota rule defined for a tenant or an agent. [QuotaUsageQuery](/api/tracon.quotausagequery/) A filter for querying quota usage. [QuotaUsageRecord](/api/tracon.quotausagerecord/) A scope's consumption in the current period. [ResponseCacheSettings](/api/tracon.responsecachesettings/) Response caching settings for a [ModelBinding](/api/tracon.modelbinding/). [ResponseSchemaShape](/api/tracon.responseschemashape/) The response schema as a provider's client sends it to the model, and what differs from the schema the author wrote. [RetentionPolicy](/api/tracon.retentionpolicy/) An age- and volume-based retention rule for a target. [RetentionRun](/api/tracon.retentionrun/) The history record of a cleanup run. [RetentionTargetOptions](/api/tracon.retentiontargetoptions/) Defines a configuration-based retention default for one target. [RetentionTargets](/api/tracon.retentiontargets/) The fixed table list a retention policy may target. [RunAgentStatistics](/api/tracon.runagentstatistics/) An agent's run summary. [RunAuthorizationRequest](/api/tracon.runauthorizationrequest/) Describes one run awaiting an authorization decision. [RunAuthorizationResult](/api/tracon.runauthorizationresult/) The outcome of an authorization decision. [RunCompletion](/api/tracon.runcompletion/) Everything needed to close a run. [RunCost](/api/tracon.runcost/) Cost of a run. It is computed and written once when the run ends (a price snapshot) — a later change to the price list does not change past values. [RunError](/api/tracon.runerror/) Error information for a failed run. [RunErrorClassification](/api/tracon.runerrorclassification/) The result of an [IRunErrorClassifier](/api/tracon.irunerrorclassifier/) classification. [RunErrorCluster](/api/tracon.runerrorcluster/) The summary of runs sharing the same fingerprint. [RunErrorFingerprint](/api/tracon.runerrorfingerprint/) Produces the clustering digest Tracon's built-in classifier uses. [RunErrorStatistics](/api/tracon.runerrorstatistics/) An error class's summary. [RunEvent](/api/tracon.runevent/) A single event produced during a run. Events are *append-only*: they are never updated, only added. [RunEventCustomTypes](/api/tracon.runeventcustomtypes/) Validation for the `CustomType` string that qualifies a [RunEventType.Custom](/api/tracon.runeventtype/) event. [RunEventWriter](/api/tracon.runeventwriter/) Writes the events of a single run into [IRunStore](/api/tracon.irunstore/) and produces the sequence number. [RunInputRecord](/api/tracon.runinputrecord/) A run's stored input. [RunJudgeContext](/api/tracon.runjudgecontext/) The limited context supplied to a judge. [RunJudgment](/api/tracon.runjudgment/) The judge's verdict: the named scores it produced. [RunLabelStatistics](/api/tracon.runlabelstatistics/) A label's run summary; one entry per distinct key/value pair. [RunLabels](/api/tracon.runlabels/) The limits a run's attribution must obey, and the single place they are enforced. [RunModelStatistics](/api/tracon.runmodelstatistics/) A model's run summary. The input to cost computation. [RunNonTokenCost](/api/tracon.runnontokencost/) What a run spent that is not tokens: the amounts its workflow function nodes and its tools reported, added up in one currency. [RunQuery](/api/tracon.runquery/) Query used to filter the run list. [RunReconciliationOptions](/api/tracon.runreconciliationoptions/) Orphaned-run reconciliation settings. [RunRecord](/api/tracon.runrecord/) Summary of a run. It acts as the header of the event stream. [RunRecordingAgent](/api/tracon.runrecordingagent/) Run completion: usage/cost merging, error mapping, and the terminal store write. [RunRecordingAgent.CompleteAsync](/api/tracon.runrecordingagent/) fans out to the root-only notifications in `RunRecordingAgent.Notifications.cs`, but owns the outcome itself. [RunRecordingDiagnostic](/api/tracon.runrecordingdiagnostic/) What a run actually records, as configured. [RunReplayRequest](/api/tracon.runreplayrequest/) A replay request. [RunScore](/api/tracon.runscore/) A human (or judge) score for a run or for a single message within a run. [RunScoreAggregate](/api/tracon.runscoreaggregate/) One aggregated group: every score sharing a breakdown key AND a [RunScoreKind](/api/tracon.runscorekind/). [RunScoreBucketAggregate](/api/tracon.runscorebucketaggregate/) One time bucket of the trend series ([RunScoreSummary.Series](/api/tracon.runscoresummary/#Tracon_RunScoreSummary_Series)). [RunScoreBucketing](/api/tracon.runscorebucketing/) Shared pure logic for score trend bucket truncation ([RunScoreBucket](/api/tracon.runscorebucket/)). [RunScoreQuery](/api/tracon.runscorequery/) The filter for a score summary query ([IRunScoreStore.SummarizeAsync](/api/tracon.irunscorestore/#Tracon_IRunScoreStore_SummarizeAsync_Tracon_RunScoreQuery_System_Threading_CancellationToken_)). [RunScoreRules](/api/tracon.runscorerules/) The shared rules a [RunScore](/api/tracon.runscore/) must satisfy before it is stored. [RunScoreSummary](/api/tracon.runscoresummary/) The result of [IRunScoreStore.SummarizeAsync](/api/tracon.irunscorestore/#Tracon_IRunScoreStore_SummarizeAsync_Tracon_RunScoreQuery_System_Threading_CancellationToken_). [RunSpend](/api/tracon.runspend/) The one place a run's token cost and its reported (non-token) amount are added. [RunStartInfo](/api/tracon.runstartinfo/) Everything needed to open a new run. [RunStatistics](/api/tracon.runstatistics/) A summary of the runs in a time range. [RunStatisticsQuery](/api/tracon.runstatisticsquery/) The filter for a run statistics query. [RunTimeSeriesBucketing](/api/tracon.runtimeseriesbucketing/) The shared pure logic for time-series bucket computation. Both `InMemoryRunStore` and `PostgresRunStore` use this type, so the bucket limit and rounding rules never diverge between the two stores. [RunTimeSeriesQuery](/api/tracon.runtimeseriesquery/) Filter for a time-series query. [RunTrace](/api/tracon.runtrace/) A run's span tree. The waterfall view is built on top of this. [RunTreeCost](/api/tracon.runtreecost/) Total cost of a run tree (the root plus every child run). [RunUsage](/api/tracon.runusage/) Token usage of a run. [RunUserStatistics](/api/tracon.runuserstatistics/) A user's run summary. [RunVersionStatistics](/api/tracon.runversionstatistics/) A definition version's run summary. [SearchKnowledgeRequest](/api/tracon.searchknowledgerequest/) A semantic search request. [SessionAuthorizationRequest](/api/tracon.sessionauthorizationrequest/) Describes one session access awaiting an authorization decision. [SessionQuery](/api/tracon.sessionquery/) A filter for querying the session list. [SessionRecord](/api/tracon.sessionrecord/) A stored session. [SingleTenantContext](/api/tracon.singletenantcontext/) The default tenant context for single-tenant deployments. It always returns [TraconOptions.DefaultTenantId](/api/tracon.traconoptions/#Tracon_TraconOptions_DefaultTenantId). [SingletonExecutionOptions](/api/tracon.singletonexecutionoptions/) The settings of single-executor election. [SkillScriptExecutionRequest](/api/tracon.skillscriptexecutionrequest/) One skill script that passed every execution gate, as handed to an [ISkillScriptExecutor](/api/tracon.iskillscriptexecutor/). [SkillScriptExecutionResult](/api/tracon.skillscriptexecutionresult/) What one skill script run did, as an [ISkillScriptExecutor](/api/tracon.iskillscriptexecutor/) reports it. [SkillScriptGrant](/api/tracon.skillscriptgrant/) The record carrying permission to execute a skill script. [SkillSettings](/api/tracon.skillsettings/) Settings for how an agent uses the skills it names in `AgentDefinition.SkillNames`. [SpeechAlignment](/api/tracon.speechalignment/) One character's position in the generated audio. [SpeechAudio](/api/tracon.speechaudio/) Generated audio. [SpeechDialogueAudio](/api/tracon.speechdialogueaudio/) The audio of a dialogue and the time range of each turn. [SpeechDialogueCapabilities](/api/tracon.speechdialoguecapabilities/) The limits of one dialogue request, as the provider states them. [SpeechDialogueRequest](/api/tracon.speechdialoguerequest/) A request to voice a dialogue. [SpeechDialogueSegment](/api/tracon.speechdialoguesegment/) The time range one turn takes in a dialogue's audio. [SpeechDialogueTurn](/api/tracon.speechdialogueturn/) One turn of a dialogue: a text and the voice that speaks it. [SpeechProviderDescriptor](/api/tracon.speechproviderdescriptor/) A registered speech provider, as the speech provider list reports it. [SpeechRequest](/api/tracon.speechrequest/) A text-to-speech generation request. [SpeechToTextClientBinding](/api/tracon.speechtotextclientbinding/) Binds a `Microsoft.Extensions.AI` speech-to-text client in the container to a named Tracon speech transcriber. [SpeechTranscript](/api/tracon.speechtranscript/) The result of speech-to-text conversion. [SpeechTranscriptionOptions](/api/tracon.speechtranscriptionoptions/) Speech-to-text conversion settings. [SqlPersistenceDiagnosticsSnapshot](/api/tracon.sqlpersistencediagnosticssnapshot/) Represents the current connection and migration status of an SQL persistence provider. [StructuredResponseValidationContext](/api/tracon.structuredresponsevalidationcontext/) The response an [IStructuredResponseValidator](/api/tracon.istructuredresponsevalidator/) checks. [StructuredResponseValidationResult](/api/tracon.structuredresponsevalidationresult/) The outcome of a structured response validation check. [SubAgentSettings](/api/tracon.subagentsettings/) Determines how an agent calls the agents it may call, and how long it waits for them. [TraconDiagnostics.Tags](/api/tracon.tracondiagnostics.tags/) Defines span and metric tag names. Changing them breaks dashboards. [TenantDescriptor](/api/tracon.tenantdescriptor/) A registered tenant. [TenantEgressPolicy](/api/tracon.tenantegresspolicy/) The set of providers a tenant's data is allowed to reach (egress policy). [TenantProviderBinding](/api/tracon.tenantproviderbinding/) Binds a tenant to a provider's credential, by **name** only. [TextToSpeechClientBinding](/api/tracon.texttospeechclientbinding/) Binds a `Microsoft.Extensions.AI` text-to-speech client in the container to a named Tracon speech synthesizer. [TimeSeriesPoint](/api/tracon.timeseriespoint/) A summary of the runs in a time bucket. The result unit of `/api/stats/timeseries`; empty buckets are also returned (with zero events). [TimeoutAIFunction](/api/tracon.timeoutaifunction/) Wraps an `AI.AIFunction` so a call that does not settle within a fixed duration ends in [TraconToolTimeoutException](/api/tracon.tracontooltimeoutexception/) instead of running unbounded. [ToolApprovalContext](/api/tracon.toolapprovalcontext/) The tool call a code-defined approval policy judges. Read-only. [ToolApprovalDecision](/api/tracon.toolapprovaldecision/) Tool approval decision sent from the UI. [ToolApprovalPresentation](/api/tracon.toolapprovalpresentation/) A human-readable projection of one tool-approval request, produced by a consumer's [IToolApprovalPresenter](/api/tracon.itoolapprovalpresenter/). [ToolApprovalRule](/api/tracon.toolapprovalrule/) A persistent approval rule for a tool call the user said "do not ask again" for. [ToolArgumentCondition](/api/tracon.toolargumentcondition/) One comparison against a tool call argument: *path · operator · value*. [ToolArgumentsValidationResult](/api/tracon.toolargumentsvalidationresult/) The outcome of a tool arguments validation check. [ToolAuthorizationRequest](/api/tracon.toolauthorizationrequest/) Describes one tool call awaiting an authorization decision. [ToolAuthorizationResult](/api/tracon.toolauthorizationresult/) The outcome of an authorization decision. [ToolCallUsage](/api/tracon.toolcallusage/) A non-token measurement and its cost: one tool call's, or one item a workflow function node reported. [ToolDescriptor](/api/tracon.tooldescriptor/) The UI-facing definition of a tool registered in code. The agent editor shows a selection from this list; it does not accept free-text input. [ToolInputResponse](/api/tracon.toolinputresponse/) The answer to one request for user input that suspended a tool call (MCP elicitation). [ToolInvocationRecord](/api/tracon.toolinvocationrecord/) The summary of a single completed tool call. [ToolLoopSettings](/api/tracon.toolloopsettings/) Tool-call loop settings for a [ModelBinding](/api/tracon.modelbinding/). [ToolRegistrationOptions](/api/tracon.toolregistrationoptions/) Configures metadata for a tool registration. [ToolUsage](/api/tracon.toolusage/) A tool's usage summary. Shown by the UI's Tools screen. [ToolUsageQuery](/api/tracon.toolusagequery/) The filter for a tool usage summary. [ToolUsageUnits](/api/tracon.toolusageunits/) The known unit names for [ToolCallUsage.Unit](/api/tracon.toolcallusage/#Tracon_ToolCallUsage_Unit). [TraceSpan](/api/tracon.tracespan/) A single persisted OpenTelemetry span. [TraceSpanBatch](/api/tracon.tracespanbatch/) A span set belonging to a single trace. [TraconA2ABuilderExtensions](/api/tracon.tracona2abuilderextensions/) Extensions that register the services needed to publish Tracon agents over A2A. [TraconA2AExtensions](/api/tracon.tracona2aextensions/) Extensions that connect the HTTP endpoint that publishes Tracon agents over A2A. [TraconA2AOptions](/api/tracon.tracona2aoptions/) Settings for publishing Tracon agents over A2A. [TraconAgentGraphOptions](/api/tracon.traconagentgraphoptions/) Defines limits that apply when an agent calls another agent. [TraconAgentSourceException](/api/tracon.traconagentsourceexception/) Represents a normalized failure from an [IAgentSource](/api/tracon.iagentsource/). [TraconApprovalOptions](/api/tracon.traconapprovaloptions/) Options for asynchronous approvals. [TraconAsyncRunOptions](/api/tracon.traconasyncrunoptions/) Defines queued, durable run options. [TraconAttachmentOptions](/api/tracon.traconattachmentoptions/) Defines attachment upload limits for size and media-type allow lists. [TraconAuditOptions](/api/tracon.traconauditoptions/) Defines options for audit-trail actor resolution. [TraconBuilderConversationMemoryExtensions](/api/tracon.traconbuilderconversationmemoryextensions/) Setup of conversation memory. [TraconBuilderExtensions](/api/tracon.traconbuilderextensions/) The registration methods of the Tracon configuration chain that `AddTracon` returns. [TraconChildRunTimeoutException](/api/tracon.traconchildruntimeoutexception/) Thrown when an agent step of a workflow does not answer within the sub-agent wait limit. [TraconCircuitBreakerOptions](/api/tracon.traconcircuitbreakeroptions/) Defines circuit-breaker options that temporarily stop requests after a model provider returns consecutive failures. [TraconClientToolExtensions](/api/tracon.traconclienttoolextensions/) Registers a client-side tool: its declaration (name, description, JSON schema) lives in code, like every other tool (the code-only tools rule), but its body runs on the caller instead of on the server. [TraconCompilationException](/api/tracon.traconcompilationexception/) Thrown when an agent definition cannot be turned into a runnable agent. [TraconContentBlockedException](/api/tracon.traconcontentblockedexception/) Thrown when an [IContentGuard](/api/tracon.icontentguard/) blocks content. [TraconContentFilteredException](/api/tracon.traconcontentfilteredexception/) Thrown when a model provider cuts the response short with its safety or content filter. [TraconContentGuardBuilderExtensions](/api/tracon.traconcontentguardbuilderextensions/) Chain extensions that turn on content inspection. [TraconContentGuardOptions](/api/tracon.traconcontentguardoptions/) Settings for the content inspection pipeline. [TraconContentProtectionExtensions](/api/tracon.traconcontentprotectionextensions/) Chain extensions that turn on at-rest content protection. [TraconContentProtectionOptions](/api/tracon.traconcontentprotectionoptions/) Settings for at-rest content protection. [TraconConversationMemoryOptions](/api/tracon.traconconversationmemoryoptions/) Setup for conversation memory ([MemorySettings.EnableConversationMemory](/api/tracon.memorysettings/#Tracon_MemorySettings_EnableConversationMemory)), set with `UseConversationMemory`. [TraconDiagnostics](/api/tracon.tracondiagnostics/) Defines Tracon telemetry source and measurement names. [TraconDiagnosticsCollector](/api/tracon.tracondiagnosticscollector/) Collects the installation's self-diagnostic summary report. [TraconDiagnosticsReport](/api/tracon.tracondiagnosticsreport/) Reports the self-diagnostics of the installation. [TraconDrainOptions](/api/tracon.tracondrainoptions/) Graceful-shutdown draining settings. [TraconEgressOptions](/api/tracon.traconegressoptions/) Shared rules for the target address of outbound network requests. [TraconEndpointOptions](/api/tracon.traconendpointoptions/) Access and behavior settings for the endpoints connected via `MapTracon`. [TraconEndpointRouteBuilderExtensions](/api/tracon.traconendpointroutebuilderextensions/) Extensions that connect Tracon's HTTP surface to the application. [TraconErrorTypes](/api/tracon.traconerrortypes/) Every machine-readable error code Tracon writes: the type of a failed run, the code of a job the queue failed, and the `error.type` of an OpenAI-compatible error body. [TraconException](/api/tracon.traconexception/) Base class for every error Tracon raises. [TraconExternalCallException](/api/tracon.traconexternalcallexception/) Thrown when an external caller (over MCP or A2A) asked to invoke an agent from the catalog and the call was refused because it crosses a boundary. [TraconFinishReasons](/api/tracon.traconfinishreasons/) Finish reasons Tracon reads beyond the ones `AI.ChatFinishReason` defines. [TraconGeneratedToolArguments](/api/tracon.tracongeneratedtoolarguments/) The helper methods called by tool wrappers produced by the source generator while converting JSON arguments to CLR types. [TraconHealthCheckExtensions](/api/tracon.traconhealthcheckextensions/) Extensions that connect Tracon to the standard.NET health check system. [TraconHealthOptions](/api/tracon.traconhealthoptions/) Defines model-provider health-check options. [TraconId](/api/tracon.traconid/) UUID version 7 generator for Tracon identifiers (RFC 9562). [TraconIdempotencyOptions](/api/tracon.traconidempotencyoptions/) Options for `Idempotency-Key` support. [TraconImageOptions](/api/tracon.traconimageoptions/) Settings for the image-generation tool. [TraconInboundTriggerOptions](/api/tracon.traconinboundtriggeroptions/) Options that constrain inbound triggers. [TraconKnowledgeOptions](/api/tracon.traconknowledgeoptions/) Options for the knowledge base (semantic search). [TraconLoopUnsatisfiedException](/api/tracon.traconloopunsatisfiedexception/) Thrown when a harness loop reaches its iteration ceiling while a criterion still asks for another iteration, and its [LoopSettings.OnExhausted](/api/tracon.loopsettings/#Tracon_LoopSettings_OnExhausted) is [LoopOutcome.FailRun](/api/tracon.loopoutcome/). [TraconMcpBuilderExtensions](/api/tracon.traconmcpbuilderextensions/) Extensions that register tool discovery from remote MCP servers. [TraconMcpOptions](/api/tracon.traconmcpoptions/) Options for connecting to remote MCP servers. [TraconMcpSecurityOptions](/api/tracon.traconmcpsecurityoptions/) The security boundary applied to stored MCP server definitions. [TraconMcpServerBuilderExtensions](/api/tracon.traconmcpserverbuilderextensions/) Extensions that register the services needed to publish Tracon agents as MCP tools. [TraconMcpServerExtensions](/api/tracon.traconmcpserverextensions/) Extensions that connect the HTTP endpoint that publishes Tracon agents as MCP tools. [TraconMcpServerOptions](/api/tracon.traconmcpserveroptions/) Settings for publishing Tracon agents as MCP tools. [TraconModelConcurrencyOptions](/api/tracon.traconmodelconcurrencyoptions/) Defines the outgoing concurrency limit applied per model provider. [TraconObservabilityOptions](/api/tracon.traconobservabilityoptions/) Defines telemetry collection and persistence options. [TraconOnlineEvaluationBuilderExtensions](/api/tracon.tracononlineevaluationbuilderextensions/) Chain extensions that turn on the built-in model-based judge. [TraconOptions](/api/tracon.traconoptions/) Defines Tracon run-time options. [TraconOutputTruncatedException](/api/tracon.traconoutputtruncatedexception/) Thrown when the model stops at its output token limit before a structured (JSON) response is complete. [TraconPolicies](/api/tracon.traconpolicies/) Role-based authorization policy names that Tracon defines. [TraconPostgreSqlBuilderExtensions](/api/tracon.traconpostgresqlbuilderextensions/) Extensions that add PostgreSQL persistence to the Tracon chain. [TraconPostgreSqlOptions](/api/tracon.traconpostgresqloptions/) Settings for Tracon's PostgreSQL persistence layer. [TraconPreflightOptions](/api/tracon.traconpreflightoptions/) Defines options for the pre-flight context-window check. [TraconPricingOptions](/api/tracon.traconpricingoptions/) Defines a run-cost price source. It is a secondary source for a model that has no price in the [ModelDescriptor](/api/tracon.modeldescriptor/) catalog. [TraconProductionProfileOptions](/api/tracon.traconproductionprofileoptions/) The risks a deployment has deliberately decided to carry, for `RequireProductionProfile`. [TraconProviderUnavailableException](/api/tracon.traconproviderunavailableexception/) Thrown when the circuit breaker has temporarily taken a model provider out of service. [TraconQuotaOptions](/api/tracon.traconquotaoptions/) Defines options for the quota subsystem. [TraconRateLimitOptions](/api/tracon.traconratelimitoptions/) Rate-limit settings applied to Tracon endpoints. [TraconRetentionOptions](/api/tracon.traconretentionoptions/) Defines data retention and archival options. [TraconRunBudgetExceededException](/api/tracon.traconrunbudgetexceededexception/) Thrown when a run tree's budget runs out: its token or cost budget between two model turns, or a workflow step or function node that the budget refuses to start. [TraconRunContext](/api/tracon.traconruncontext/) Carries the identity, tree position, and budget of the running run to the helper components inside the run path. [TraconRunContinuationOptions](/api/tracon.traconruncontinuationoptions/) Interrupted-run continuation settings. [TraconRunOptions](/api/tracon.traconrunoptions/) Run options that let the caller determine a run's identifier, its place in the tree, and its budget. [TraconRunRecordingOptions](/api/tracon.traconrunrecordingoptions/) Defines how much detail run recording retains. [TraconSchedulingOptions](/api/tracon.traconschedulingoptions/) Batch and scheduled run settings. [TraconServiceCollectionExtensions](/api/tracon.traconservicecollectionextensions/) Extensions that register Tracon with dependency injection. [TraconSessionConflictException](/api/tracon.traconsessionconflictexception/) Thrown for the losing request when two concurrent first requests arrive for the same new session id. [TraconSessionOwnerRequiredException](/api/tracon.traconsessionownerrequiredexception/) Thrown when session ownership is on, a session write needs an owner, and no authenticated identity could be resolved to be that owner. [TraconSessionOwnershipOptions](/api/tracon.traconsessionownershipoptions/) Turns per-user session ownership on, a second boundary drawn UNDER the tenant. [TraconSkillOptions](/api/tracon.traconskilloptions/) Defines limits for skill content and agent attachment. [TraconSkillScriptBuilderExtensions](/api/tracon.traconskillscriptbuilderextensions/) Configuration extensions that enable skill script execution. [TraconSkillScriptOptions](/api/tracon.traconskillscriptoptions/) Defines options that control server-side skill script execution. [TraconSqlServerBuilderExtensions](/api/tracon.traconsqlserverbuilderextensions/) Extensions that add SQL Server persistence to the Tracon chain. [TraconSqlServerOptions](/api/tracon.traconsqlserveroptions/) Settings for Tracon's SQL Server persistence layer. [TraconSqliteBuilderExtensions](/api/tracon.traconsqlitebuilderextensions/) Extensions that add SQLite persistence to the Tracon chain. [TraconSqliteOptions](/api/tracon.traconsqliteoptions/) Settings for Tracon's SQLite persistence layer. [TraconStructuredResponseException](/api/tracon.traconstructuredresponseexception/) Thrown when a run's response fails structured output validation. [TraconStructuredResponseOptions](/api/tracon.traconstructuredresponseoptions/) Structured response validation settings. [TraconTenancyBuilderExtensions](/api/tracon.tracontenancybuilderextensions/) Extensions that connect multi-tenancy to the HTTP request. [TraconTenancyOptions](/api/tracon.tracontenancyoptions/) Settings that determine how the tenant is resolved from the request. [TraconTenantProviderOptions](/api/tracon.tracontenantprovideroptions/) Options that constrain per-tenant model provider bindings (BYOK). [TraconTenantProviderRefusedException](/api/tracon.tracontenantproviderrefusedexception/) Thrown when a tenant's provider rules refuse a call before it leaves the process. [TraconTenantQuotaExceededException](/api/tracon.tracontenantquotaexceededexception/) Thrown when a tenant's quota period is spent and a run tree that is already running is refused new work: a workflow function node or an agent step that has not started. [TraconToolApprovalPolicyExtensions](/api/tracon.tracontoolapprovalpolicyextensions/) Chain extension that registers a code-defined approval policy for a tool. [TraconToolAttribute](/api/tracon.tracontoolattribute/) Marks a method as a tool. `AddToolsFrom` registers only methods carrying this attribute. [TraconToolOptions](/api/tracon.tracontooloptions/) Defines tool execution options. [TraconToolRegistration](/api/tracon.tracontoolregistration/) A single tool registered with dependency injection. Tracon builds the tool registry from these registrations. [TraconToolTimeoutException](/api/tracon.tracontooltimeoutexception/) Thrown when a tool call does not settle within its configured timeout. [TraconToolUsage](/api/tracon.tracontoolusage/) Lets a tool report non-token usage from its own body. [TraconUiBuilderExtensions](/api/tracon.traconuibuilderextensions/) Provides extensions that register the embedded management UI. [TraconValidationOptions](/api/tracon.traconvalidationoptions/) Defines options for the `POST /api/agents/validate` endpoint. [TraconWebhookOptions](/api/tracon.traconwebhookoptions/) Event publishing (webhook) settings. [TraconWorkflowContextExtensions](/api/tracon.traconworkflowcontextextensions/) What a function node reads from, and reports to, its workflow run: the run's parameter values and the non-token usage it spent. [TraconWorkflowFunctionExtensions](/api/tracon.traconworkflowfunctionextensions/) Extensions that register a code function as a workflow node. [TraconWorkflowFunctionTimeoutException](/api/tracon.traconworkflowfunctiontimeoutexception/) Thrown when a function node of a workflow does not return within its timeout. [TraconWorkflowOptions](/api/tracon.traconworkflowoptions/) Settings that control workflow execution. [TraconWorkflowsBuilderExtensions](/api/tracon.traconworkflowsbuilderextensions/) Extensions that register workflow execution. [TraconWorkspaceOptions](/api/tracon.traconworkspaceoptions/) Limits of the session workspace ([WorkspaceSettings](/api/tracon.workspacesettings/)). [UploadDocumentChunk](/api/tracon.uploaddocumentchunk/) A single ready-made chunk in an upload request. [UploadDocumentRequest](/api/tracon.uploaddocumentrequest/) Request to upload a document. [VectorChunk](/api/tracon.vectorchunk/) A single chunk to write. [VectorSearchHit](/api/tracon.vectorsearchhit/) A single search result. [VectorSearchRequest](/api/tracon.vectorsearchrequest/) A semantic search request. [VoiceAttributeNames](/api/tracon.voiceattributenames/) Names for well-known [VoiceDescriptor.Attributes](/api/tracon.voicedescriptor/#Tracon_VoiceDescriptor_Attributes) keys. Not exhaustive: a provider may report other safe scalar labels under their own key. [VoiceBuilderExtensions](/api/tracon.voicebuilderextensions/) Adds the voice tools to the Tracon chain. [VoiceConversationBuilderExtensions](/api/tracon.voiceconversationbuilderextensions/) Extensions that enable the real-time voice conversation layer. [VoiceConversationOptions](/api/tracon.voiceconversationoptions/) Options of the real-time voice conversation layer. [VoiceDescriptor](/api/tracon.voicedescriptor/) The definition of an available voice. [VoiceHealth](/api/tracon.voicehealth/) The voice provider's reachability status. [VoiceLiveOptions](/api/tracon.voiceliveoptions/) Options of the provider-hosted live voice layer. [VoiceOptions](/api/tracon.voiceoptions/) Settings for the voice tools. [VoicePriceOverride](/api/tracon.voicepriceoverride/) Defines the configured price for one voice model. [VoiceSessionCost](/api/tracon.voicesessioncost/) What one voice conversation cost. [VoiceSessionQuery](/api/tracon.voicesessionquery/) The filter for listing voice session records. [VoiceSessionRecord](/api/tracon.voicesessionrecord/) The summary record of a real-time voice connection. [WebhookDelivery](/api/tracon.webhookdelivery/) A single delivery record. [WebhookDeliveryQuery](/api/tracon.webhookdeliveryquery/) A filter for querying delivery history. [WebhookDeliveryResult](/api/tracon.webhookdeliveryresult/) The result of a delivery attempt. [WebhookEvents](/api/tracon.webhookevents/) The event types Tracon can publish. [WebhookSigner](/api/tracon.webhooksigner/) Produces and verifies the HMAC-SHA256 signature of webhook requests. [WebhookSubscription](/api/tracon.webhooksubscription/) An external system's event subscription. [WorkflowAgentBinding](/api/tracon.workflowagentbinding/) Binds catalog agents to a workflow graph defined in code. [WorkflowAgentStepOptions](/api/tracon.workflowagentstepoptions/) The settings of one agent step in a workflow graph built in code, passed to [WorkflowAgentBinding.GetWorkflowAgentStep](/api/tracon.workflowagentbinding/). [WorkflowCheckpointRecord](/api/tracon.workflowcheckpointrecord/) Represents a single checkpoint of a workflow run. [WorkflowDefinition](/api/tracon.workflowdefinition/) Represents the full definition of a workflow, whether defined through the UI or in code. [WorkflowDescriptor](/api/tracon.workflowdescriptor/) Represents a summary view of a workflow listed in the catalog. [WorkflowFunctionBinding](/api/tracon.workflowfunctionbinding/) Binds functions registered with `AddWorkflowFunction` to a workflow graph defined in code. [WorkflowFunctionOptions](/api/tracon.workflowfunctionoptions/) The optional settings of a workflow function registered with `AddWorkflowFunction`: its description, retry policy, timeout, how many calls may run at once and whether it starts when the call tree's budget is spent. [WorkflowFunctionStepOptions](/api/tracon.workflowfunctionstepoptions/) The settings of one function node in a workflow graph built in code, passed to [WorkflowFunctionBinding.GetWorkflowFunction](/api/tracon.workflowfunctionbinding/). [WorkflowGraph](/api/tracon.workflowgraph/) Represents a workflow's compiled graph: nodes, edges, and external request ports. [WorkflowGraphEdge](/api/tracon.workflowgraphedge/) Represents the connection between two nodes. [WorkflowGraphNode](/api/tracon.workflowgraphnode/) Represents a node in the graph. [WorkflowNodeReference](/api/tracon.workflownodereference/) Points to a single node entering a workflow's graph: an agent from the catalog, or a function registered in code. [WorkflowNodeRetryPolicy](/api/tracon.workflownoderetrypolicy/) Retries a single workflow function node on a transient provider error instead of failing the whole run. [WorkflowPendingRequest](/api/tracon.workflowpendingrequest/) Represents human input awaited by a workflow run. [WorkflowRegistrationOptions](/api/tracon.workflowregistrationoptions/) The settings of a workflow defined in code, passed to [TraconWorkflowsBuilderExtensions.AddWorkflow](/api/tracon.traconworkflowsbuilderextensions/). [WorkflowRequestQuery](/api/tracon.workflowrequestquery/) The filter and the page of a listing of a tenant's open human requests. [WorkflowRequestRecord](/api/tracon.workflowrequestrecord/) One request a workflow run waits on, as the inbox stores it. [WorkflowRespondRequest](/api/tracon.workflowrespondrequest/) Represents a response to a pending request. [WorkflowResponseClaim](/api/tracon.workflowresponseclaim/) The outcome of recording an answer that may claim a request. [WorkflowResponseRecord](/api/tracon.workflowresponserecord/) One answer to a workflow's pending human request. [WorkflowResumeRequest](/api/tracon.workflowresumerequest/) The information needed to resume a workflow from a checkpoint. [WorkflowRunRequest](/api/tracon.workflowrunrequest/) The information needed to run a workflow. [WorkspaceSettings](/api/tracon.workspacesettings/) Settings for the session workspace of an agent: a file area that belongs to one conversation, where the agent lists, reads, searches, writes, edits and deletes files. ## Structs [CallableAgentInfo](/api/tracon.callableagentinfo/) The summary of a callable sub-agent, reported to the model. [ConversationBranch](/api/tracon.conversationbranch/) A conversation branch's store-level result. [ResolvedCallableAgents](/api/tracon.resolvedcallableagents/) The resolved set of sub-agents a definition may call, and its cache fingerprint. [RunEventDraft](/api/tracon.runeventdraft/) Represents the information an event carries before its sequence number and timestamp are assigned. ## Interfaces [IAgentCatalog](/api/tracon.iagentcatalog/) The catalog that joins every agent source into a single view. The user interface and the HTTP layer reach agents only through this interface. [IAgentDecorator](/api/tracon.iagentdecorator/) A decorator applied to every agent resolved from the catalog. Tracon adds run recording through this mechanism; a consumer can register its own decorator the same way. [IAgentDefinitionStore](/api/tracon.iagentdefinitionstore/) The store for agent definitions kept in the database. Versioning and rollback support are required: every save produces a new version, and old versions are not deleted. [IAgentExtension](/api/tracon.iagentextension/) A named piece of code that reaches the Microsoft Agent Framework options the compiler builds for an agent. A definition selects it by [IAgentExtension.Name](/api/tracon.iagentextension/#Tracon_IAgentExtension_Name) in [AgentDefinition.ExtensionNames](/api/tracon.agentdefinition/#Tracon_AgentDefinition_ExtensionNames). [IAgentSkillStore](/api/tracon.iagentskillstore/) The store for a tenant's run-time skill definitions. [IAgentSource](/api/tracon.iagentsource/) A source the catalog collects agents from. Tracon joins sources declared in code, stored in the database, and registered by the application. [IApiKeyStore](/api/tracon.iapikeystore/) The store for per-tenant API keys. [IArchiveSink](/api/tracon.iarchivesink/) The cold-storage extension point rows are written to before deletion. [IAttachmentStorage](/api/tracon.iattachmentstorage/) The extension point that stores attachment content in an external store (S3, Blob). [IAttachmentStore](/api/tracon.iattachmentstore/) The contract for attachment metadata and for the default (database) content storage. [IAuditLog](/api/tracon.iauditlog/) The audit trail log. [IContentGuard](/api/tracon.icontentguard/) The extension point that inspects content going to and coming from the model. [IContentProtector](/api/tracon.icontentprotector/) Extension point for at-rest encryption of stored content. [IConversationBranchStore](/api/tracon.iconversationbranchstore/) The store that branches a conversation by copying it. [IDataSubjectResolver](/api/tracon.idatasubjectresolver/) Maps a data subject (an end user, in the consumer's own identity system) to the sessions, runs, and conversations that belong to them. [IDataSubjectStore](/api/tracon.idatasubjectstore/) The data plane that counts, exports, and erases one data subject's content across the schema. [IEvalEvaluatorFactory](/api/tracon.ievalevaluatorfactory/) The extension point that builds the `AI.IAgentEvaluator` an eval suite is graded with. [IEvalStore](/api/tracon.ievalstore/) The store for evaluation (eval) suites, cases, and runs. [IExperimentStore](/api/tracon.iexperimentstore/) Defines the store for A/B experiments. [IHostedToolSupport](/api/tracon.ihostedtoolsupport/) An optional interface of an [IModelProvider](/api/tracon.imodelprovider/) that states which [HostedToolKind](/api/tracon.hostedtoolkind/) values its API surface runs. [IIdempotencyStore](/api/tracon.iidempotencystore/) The store for idempotency records. [IInboundTriggerStore](/api/tracon.iinboundtriggerstore/) The store for inbound trigger definitions. [IJobDispatcher](/api/tracon.ijobdispatcher/) Queues a job for a registered [IJobHandler](/api/tracon.ijobhandler/). [IJobHandler](/api/tracon.ijobhandler/) The extension point that provides job execution logic for one handler key. [IJobScheduleStore](/api/tracon.ijobschedulestore/) The store for schedule definitions. [IJobStore](/api/tracon.ijobstore/) The store for queued jobs and their items. [ILiveVoiceProvider](/api/tracon.ilivevoiceprovider/) Creates and supervises a provider-hosted live voice session. [ILiveVoiceSideband](/api/tracon.ilivevoicesideband/) The server-side control connection of a live voice session. [IMcpServerStore](/api/tracon.imcpserverstore/) The store for registered MCP servers. [IMigrationApplier](/api/tracon.imigrationapplier/) Applies the pending migrations of the active SQL persistence provider. [IModelProvider](/api/tracon.imodelprovider/) A model provider. Each provider is implemented in its own package (for example, `Tracon.OpenAI`) and registered with DI. [IModelProviderConfigurationDiagnostics](/api/tracon.imodelproviderconfigurationdiagnostics/) Defines optional configuration diagnostics for a model provider. [IModelProviderHealthCheck](/api/tracon.imodelproviderhealthcheck/) The optional health-check contract for a model provider. [IModelProviderRegistry](/api/tracon.imodelproviderregistry/) The registry that keeps registered model providers by name. [IPendingApprovalStore](/api/tracon.ipendingapprovalstore/) The store for pending approval requests. [IProductionProfileCheck](/api/tracon.iproductionprofilecheck/) Answers one production decision while the host starts, for `RequireProductionProfile`. [IProviderRetryClassifier](/api/tracon.iproviderretryclassifier/) Decides whether a model-provider failure is retryable on the next fallback link. [IQuotaStore](/api/tracon.iquotastore/) The store for quota rules and consumption counters. [IResponseSchemaSupport](/api/tracon.iresponseschemasupport/) An optional interface of an [IModelProvider](/api/tracon.imodelprovider/) that states which response schema its client sends to the model for a binding. [IRetentionPolicyStore](/api/tracon.iretentionpolicystore/) The control-plane store for retention policies and run history. [IRetentionStore](/api/tracon.iretentionstore/) The data plane that counts, batch-deletes, and reads-for-archive over the actual retention data. [IRunAttributionContext](/api/tracon.irunattributioncontext/) Resolves who a run belongs to and what work it was made for. [IRunAuthorizationHandler](/api/tracon.irunauthorizationhandler/) Decides whether a caller may start a run or read/write a session. [IRunCancellationRegistry](/api/tracon.iruncancellationregistry/) The in-memory registry of runs in progress on this instance; binds an incoming cancellation request to the running run's [CancellationTokenSource](https://learn.microsoft.com/dotnet/api/system.threading.cancellationtokensource). [IRunErrorClassifier](/api/tracon.irunerrorclassifier/) Converts a raw run error into a class and a clustering fingerprint. [IRunEventSink](/api/tracon.iruneventsink/) Receives run events as they are written, in addition to [IRunStore](/api/tracon.irunstore/). [IRunInputStore](/api/tracon.iruninputstore/) Stores a run's input messages. The source of replay. [IRunJudge](/api/tracon.irunjudge/) The extension point that scores a completed production run. [IRunPricingResolver](/api/tracon.irunpricingresolver/) Computes the cost from a model+usage pair. Pricing order: the model catalog, then the `Tracon:Pricing` configuration. [IRunScoreStore](/api/tracon.irunscorestore/) The store for run and message scores ([RunScore](/api/tracon.runscore/)). [IRunStore](/api/tracon.irunstore/) Store for run records and the event stream. [ISamplingSupport](/api/tracon.isamplingsupport/) An optional interface of an [IModelProvider](/api/tracon.imodelprovider/) that states which [SamplingFields](/api/tracon.samplingfields/) its API surface sends to the model. [ISessionStore](/api/tracon.isessionstore/) The store for serialized agent sessions. [ISingletonLeaseStore](/api/tracon.isingletonleasestore/) The lease store that keeps a named job running on a single instance across the cluster. [ISkillScriptExecutor](/api/tracon.iskillscriptexecutor/) Starts a skill script that already passed every execution gate, and reports what it did. Register your own implementation to run scripts somewhere other than the Tracon host: a container, a micro-VM, or a remote runner service. [ISkillScriptGrantStore](/api/tracon.iskillscriptgrantstore/) The store for skill script execution grants. [ISpeechDialogueSynthesizer](/api/tracon.ispeechdialoguesynthesizer/) A speech provider that voices a dialogue: an ordered list of turns, each spoken by its own voice, in one request and one audio result. [ISpeechProviderResolver](/api/tracon.ispeechproviderresolver/) Returns a speech provider by name, after the calling tenant's provider checks. [ISpeechSynthesizer](/api/tracon.ispeechsynthesizer/) A provider that generates speech from text. [ISpeechTranscriber](/api/tracon.ispeechtranscriber/) A provider that transcribes speech to text. [ISqlPersistenceDiagnostics](/api/tracon.isqlpersistencediagnostics/) Defines optional diagnostics for the active SQL persistence provider. [IStructuredResponseValidator](/api/tracon.istructuredresponsevalidator/) Validates a run's response against the agent's requested [AgentResponseFormat](/api/tracon.agentresponseformat/) before the run closes. [ITenantContext](/api/tracon.itenantcontext/) Resolves the current request's tenant. In a single-tenant setup, returns a fixed value and requires no additional configuration. [ITenantCredentialModelProvider](/api/tracon.itenantcredentialmodelprovider/) A model provider that can build clients from resolved per-tenant credentials. [ITenantEgressPolicyStore](/api/tracon.itenantegresspolicystore/) The store for per-tenant provider egress policies. [ITenantProviderBindingStore](/api/tracon.itenantproviderbindingstore/) The store for per-tenant model provider bindings (BYOK). [ITenantStore](/api/tracon.itenantstore/) The store for tenant registrations. [IToolApprovalPresenter](/api/tracon.itoolapprovalpresenter/) Resolves a human-readable presentation for a tool call that is about to publish an approval request — turning, for example, `{ "orderId": "ORD-1001" }` into "Cancel order for Priya Shah". [IToolApprovalRuleStore](/api/tracon.itoolapprovalrulestore/) The store for persistent approval rules. [IToolArgumentsValidator](/api/tracon.itoolargumentsvalidator/) Validates a tool call's arguments before the call runs. [IToolAuthorizationHandler](/api/tracon.itoolauthorizationhandler/) Decides whether a tenant/user may call a specific tool. [IToolRegistry](/api/tracon.itoolregistry/) The registry of tools registered in code. [ITraceStore](/api/tracon.itracestore/) The store for persisted spans. [ITraconBuilder](/api/tracon.itraconbuilder/) The fluent chain that configures Tracon. Returned from the `AddTracon` call. [IVectorSearchStore](/api/tracon.ivectorsearchstore/) The embedding-based semantic search store. [IVersionedAgentSource](/api/tracon.iversionedagentsource/) An [IAgentSource](/api/tracon.iagentsource/) that can resolve a specific definition version. Only sources that keep a version history implement it. A source without version history need not implement this interface. [IVoiceHealthCheck](/api/tracon.ivoicehealthcheck/) Checks the voice provider's reachability. [IVoicePricingReader](/api/tracon.ivoicepricingreader/) Reads the configured voice model's pricing. [IVoiceSessionStore](/api/tracon.ivoicesessionstore/) Stores the summary record of real-time voice connections. [IWebhookStore](/api/tracon.iwebhookstore/) The store for webhook subscriptions and delivery history. [IWorkflowCheckpointStore](/api/tracon.iworkflowcheckpointstore/) The store for workflow checkpoints. [IWorkflowDefinitionStore](/api/tracon.iworkflowdefinitionstore/) The store for workflow definitions stored in the database. Every save produces a new version, old versions are not deleted, and a rollback writes an old version's content back as a new one. [IWorkflowRequestStore](/api/tracon.iworkflowrequeststore/) The inbox of a tenant's open workflow requests: one row per request a run is waiting on, with the time the request expires and whether somebody answered it. [IWorkflowResponseStore](/api/tracon.iworkflowresponsestore/) Where the answers to a workflow's pending human requests are recorded: which run answered which request of which run, who answered, and whether the single answer a [WorkflowResponseMode.SingleAnswer](/api/tracon.workflowresponsemode/) workflow allows is already taken. [IWorkflowRunner](/api/tracon.iworkflowrunner/) Reads the workflow catalog and runs workflows. ## Enums [AgentDefinitionOrigin](/api/tracon.agentdefinitionorigin/) Tells where an agent definition came from. [AgentParameterKind](/api/tracon.agentparameterkind/) The data kind of an [AgentParameter](/api/tracon.agentparameter/). [AgentResponseFormatKind](/api/tracon.agentresponseformatkind/) The requested format of an agent response. [ApiKeyScope](/api/tracon.apikeyscope/) An authority scope an API key may open. [ApprovalStatus](/api/tracon.approvalstatus/) The status of a pending approval request. [AuditChainStatus](/api/tracon.auditchainstatus/) The result of walking a tenant's audit trail hash chain. [ChatClientSlot](/api/tracon.chatclientslot/) Where a chat client ring that an agent extension adds sits in the agent's model pipeline. [CompactionStrategyKind](/api/tracon.compactionstrategykind/) The kind of context compaction strategy that can be bound to an agent definition. [ContentGuardAction](/api/tracon.contentguardaction/) The decision a guard can make. [ContentGuardDirection](/api/tracon.contentguarddirection/) The direction of a content guard check. [ContentGuardSource](/api/tracon.contentguardsource/) Where the text handed to an [IContentGuard](/api/tracon.icontentguard/) came from. [ConversationMemorySearch](/api/tracon.conversationmemorysearch/) When an agent searches its conversation memory (`EnableConversationMemory`). [EvalCaseDiffKind](/api/tracon.evalcasediffkind/) The bucket an aligned case falls into within an [EvalRunDiff](/api/tracon.evalrundiff/). [EvalCaseSource](/api/tracon.evalcasesource/) The reason an [EvalCase](/api/tracon.evalcase/) was promoted from a production run. [EvalRunDiffUnavailableReason](/api/tracon.evalrundiffunavailablereason/) Why two eval runs cannot be compared. [EvalRunStatus](/api/tracon.evalrunstatus/) The status of an eval run. [ExperimentStatus](/api/tracon.experimentstatus/) Defines the lifecycle status of an A/B experiment. [GoogleDialogueSpeakerMode](/api/tracon.googledialoguespeakermode/) How a Gemini dialogue request names its speakers. [HostedToolKind](/api/tracon.hostedtoolkind/) The kinds of tool a model provider runs on its own side, which a host registers in code with `AddHostedTool`. [HostedToolKinds](/api/tracon.hostedtoolkinds/) The [HostedToolKind](/api/tracon.hostedtoolkind/) values a provider's API surface can run, as a set. [IdempotencyState](/api/tracon.idempotencystate/) The four possible states of an idempotency key. [InboundTriggerPayloadMode](/api/tracon.inboundtriggerpayloadmode/) How an inbound trigger's request body becomes the agent/workflow message. [InboundTriggerTargetKind](/api/tracon.inboundtriggertargetkind/) What kind of target an inbound trigger fires. [JobItemStatus](/api/tracon.jobitemstatus/) The status of a batch job item. [JobStatus](/api/tracon.jobstatus/) The status of a queued job. [LiveVoiceAppendChannel](/api/tracon.livevoiceappendchannel/) The channel a live append is written to. [LiveVoiceDelegationMode](/api/tracon.livevoicedelegationmode/) How a live model hands heavier work back. [LiveVoiceEventKind](/api/tracon.livevoiceeventkind/) What a live voice sideband event says. [LoopOutcome](/api/tracon.loopoutcome/) What a harness loop does when it ends without every criterion satisfied: return the last response, or fail the run. [McpOAuthAuthorizationMode](/api/tracon.mcpoauthauthorizationmode/) The MCP OAuth authorization flow. [McpTransportMode](/api/tracon.mcptransportmode/) The way a connection to an MCP server is made. [ModelProviderHealthStatus](/api/tracon.modelproviderhealthstatus/) A provider's checked reachability status. [PiiPatterns](/api/tracon.piipatterns/) The built-in pattern families for [Tracon.PatternContentGuard](/api/tracon/). [PricingSource](/api/tracon.pricingsource/) Reports where a run's cost pricing came from. [ProductionProfileState](/api/tracon.productionprofilestate/) What a production profile check found. [ProtectedColumn](/api/tracon.protectedcolumn/) A database column [IContentProtector](/api/tracon.icontentprotector/) can be applied to. [ProviderRetryDecision](/api/tracon.providerretrydecision/) Whether a provider failure should move to the next fallback link. [QuotaMetric](/api/tracon.quotametric/) The metric a quota is exceeded by. [QuotaPeriod](/api/tracon.quotaperiod/) The interval at which a quota's counter resets. [RateLimitPartitionKind](/api/tracon.ratelimitpartitionkind/) Which key the rate limit is partitioned by. [ReplayToolMode](/api/tracon.replaytoolmode/) How tools are handled during replay. [RunAccess](/api/tracon.runaccess/) The kind of access a [RunAuthorizationRequest](/api/tracon.runauthorizationrequest/) asks about. [RunErrorClass](/api/tracon.runerrorclass/) A run error's class. [RunEventType](/api/tracon.runeventtype/) Event types produced during a run. The user interface maps these directly onto visual elements, so the values must stay stable. [RunKind](/api/tracon.runkind/) Reports what a `runs` row records. [RunScoreBucket](/api/tracon.runscorebucket/) A closed, low-cardinality set of time buckets for a score trend series. [RunScoreKind](/api/tracon.runscorekind/) The shape of the value a [RunScore](/api/tracon.runscore/) carries. [RunScoreTarget](/api/tracon.runscoretarget/) Which target a score belongs to — the filter [RunScoreQuery.Target](/api/tracon.runscorequery/#Tracon_RunScoreQuery_Target) narrows to. [RunStatus](/api/tracon.runstatus/) Status of a run. [SamplingFields](/api/tracon.samplingfields/) The request fields of [ModelBinding](/api/tracon.modelbinding/) whose support depends on the provider's API surface. [SessionAccess](/api/tracon.sessionaccess/) The kind of access a [SessionAuthorizationRequest](/api/tracon.sessionauthorizationrequest/) asks about. [SkillScriptOrigin](/api/tracon.skillscriptorigin/) Where the content of a skill script came from. [SpeechProviderKind](/api/tracon.speechproviderkind/) The kind of a registered speech provider. [SpeechUsageSource](/api/tracon.speechusagesource/) The source of a speech measurement. [SubAgentCallMode](/api/tracon.subagentcallmode/) How an agent calls the agents it may call (`CallableAgents`). [TimeSeriesBucket](/api/tracon.timeseriesbucket/) The bucket width for a time-series query. [ToolApprovalPolicyDecision](/api/tracon.toolapprovalpolicydecision/) The outcome of a code-defined approval policy ([ToolApprovalContext](/api/tracon.toolapprovalcontext/)). [ToolArgumentOperator](/api/tracon.toolargumentoperator/) A comparison operator for a [ToolArgumentCondition](/api/tracon.toolargumentcondition/). [ToolEffect](/api/tracon.tooleffect/) Classifies the blast radius of a tool call. [ToolInputAction](/api/tracon.toolinputaction/) What the user did with a request for input that suspended a tool call. [TraceSpanKind](/api/tracon.tracespankind/) A span's OpenTelemetry kind. Values are stored in the database as `smallint`; the numbers are stable. [TraceSpanStatus](/api/tracon.tracespanstatus/) A span's result status. `smallint` in the database. [TraconProductionRisk](/api/tracon.traconproductionrisk/) One production decision the profile gate refuses to leave unanswered. [VoiceSessionEndReason](/api/tracon.voicesessionendreason/) The reason a voice connection closed. [WebhookDeliveryStatus](/api/tracon.webhookdeliverystatus/) The status of a webhook delivery attempt. [WorkflowEdgeKind](/api/tracon.workflowedgekind/) Represents the kind of an edge. [WorkflowKind](/api/tracon.workflowkind/) Represents the built-in workflow patterns that can be defined through the UI. [WorkflowNodeKind](/api/tracon.workflownodekind/) Represents the role of a graph node. [WorkflowRequestForm](/api/tracon.workflowrequestform/) Defines how the UI presents a pending request. [WorkflowRequestState](/api/tracon.workflowrequeststate/) Which of the open human requests of a tenant a listing returns. [WorkflowRequestStatus](/api/tracon.workflowrequeststatus/) Whether a run still waits on a request. [WorkflowResponseMode](/api/tracon.workflowresponsemode/) How a workflow treats more than one answer to the same pending human request. [WorkflowResponseStatus](/api/tracon.workflowresponsestatus/) The state of a recorded answer.