# FileSearchToolResource Properties

- Package: [Aspire.Hosting.Foundry](/reference/api/csharp/aspire.hosting.foundry.md)
- Type: [FileSearchToolResource](/reference/api/csharp/aspire.hosting.foundry/filesearchtoolresource.md)
- Kind: `Properties`
- Members: `1`

A Foundry tool resource that enables an agent to search uploaded files and proprietary documents using vector search.

## VectorStoreIds

- Name: `VectorStoreIds`
- Modifiers: `get; init`
- Returns: `IList<string>`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/becb48e2d61099e35ae336d527d3875e928d6594/src/Aspire.Hosting.Foundry/ToolResources/BuiltInToolDefinitions.cs)

Gets the vector store IDs to search. If empty, the agent's default stores are used.

```csharp
public IList<string> VectorStoreIds { get; init; }
```