# SearchKnowledgeHit

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

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

A semantic search hit.

**Shape:** `object`

| Property | Required | Type | Description | Rules |
|---|---|---|---|---|
| `sourceId` | yes | `string` | Identifier of the source the chunk belongs to. | — |
| `chunkIndex` | yes | `integer (int32)` | Sequence number within the source. | pattern `^-?(?:0\\|[1-9]\d*)$` |
| `content` | yes | `string` | The chunk's text. | — |
| `distance` | yes | `number (double)` | Cosine distance. A smaller value means closer. | pattern `^-?(?:0\\|[1-9]\d*)(?:\.\d+)?(?:[eE][+-]?\d+)?$` |
| `metadata` | no | `object` | Optional metadata given at write time. | — |