# EvalCaseSource

> 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/evalcasesource/
> Summary: OpenAPI request or response schema for EvalCaseSource, including required fields, defaults, constraints, and linked nested types.

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

**Shape:** enum: `FailedRun`, `NegativeScore`, `ReferenceRun`, `null`

**Allowed values:** `FailedRun`, `NegativeScore`, `ReferenceRun`, `null`