Add FunctionInvokingChatClient.AdditionalTools #6661
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Pull Request Overview
This PR adds support for additional tools to the FunctionInvokingChatClient through a new AdditionalTools property. This allows the client to invoke tools that weren't provided in the ChatOptions.Tools collection but are available through pre-configured additional tools.
- Introduces the
AdditionalToolsproperty toFunctionInvokingChatClient - Updates function lookup logic to search both
ChatOptions.ToolsandAdditionalTools - Adds comprehensive tests to verify the new functionality and tool precedence
Reviewed Changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
FunctionInvokingChatClient.cs |
Adds the AdditionalTools property and updates tool lookup logic to search both tool collections |
FunctionInvokingChatClientTests.cs |
Adds tests for the new AdditionalTools functionality and tool precedence behavior |
Microsoft.Extensions.AI.json |
Adds the new AdditionalTools property to the API surface |
Microsoft.Extensions.AI.Tests.csproj |
Suppresses an additional analyzer warning (S104) |
src/Libraries/Microsoft.Extensions.AI/ChatCompletion/FunctionInvokingChatClient.cs
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eiriktsarpalis
approved these changes
Jul 29, 2025
…nvokingChatClient.cs Co-authored-by: Copilot <[email protected]>
rogerbarreto
approved these changes
Jul 29, 2025
This was referenced Aug 8, 2025
This was referenced Aug 14, 2025
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This was referenced Aug 27, 2025
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