# RunReplayRequest

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

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

A replay request.

**Shape:** `object`

| Property | Required | Type | Description | Rules |
|---|---|---|---|---|
| `agentVersion` | no | `integer (int32)` | The agent definition version to use. The currently active version if not given. | pattern `^-?(?:0\\|[1-9]\d*)$` |
| `modelId` | no | `string` | The model name to override with. The definition's own model is used if not given. | — |
| `toolMode` | no | [`ReplayToolMode`](/http-api/schemas/replaytoolmode/) | The tool behavior. Defaults to ReplayToolMode.ReplayTools. | — |
| `parameters` | no | `object` | Parameter values laid over the ones the source run was bound with. Left empty, the replay runs with exactly the source run's values. | — |