# EvalRunTriggerRequest

> 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/http-api/schemas/evalruntriggerrequest/
> Summary: OpenAPI request or response schema for EvalRunTriggerRequest, including required fields, defaults, constraints, and linked nested types.

[← All HTTP schemas](/http-api/schemas/)

Request to trigger an eval run immediately.

**Shape:** `object`

| Property | Required | Type | Description | Rules |
|---|---|---|---|---|
| `modelId` | no | `string` | Model identifier to record for this run. If not given, the model of the definition version the run measures is used: the pinned version when one is given, otherwise the current one. | — |
| `numRepetitions` | no | `integer (int32)` | Number of times to repeat each case to measure its stability. If not given, 1. | pattern `^-?(?:0\\|[1-9]\d*)$` |
| `agentVersion` | no | `integer (int32)` | Definition version to measure for this run. If not given, the agent's current version is used. Rejected with 400 for code-sourced agents (no version history). | pattern `^-?(?:0\\|[1-9]\d*)$` |