Tool call arguments Observation

[Sky640q]

How do i print the arguments to the tool call?
For ex ,i have this in logs:

 2025-08-14T08:32:44.247-04:00 DEBUG 35700 --- [chatbot] [nio-8090-exec-6] o.s.a.m.tool.DefaultToolCallingManager   : Executing tool call: QueryKnowledgeDomain
2025-08-14T08:32:44.249-04:00 DEBUG 35700 --- [chatbot] [nio-8090-exec-6] o.s.ai.tool.method.MethodToolCallback    : Starting execution of tool: QueryKnowledgeDomain
2025-08-14T08:32:50.959-04:00  INFO 35700 --- [chatbot] [nio-8090-exec-6] c.a.c.r.s.askatt.QueryKnowledgeDomain      : Response from Knowledge domain: UserResponseModel(response=blahblahblah)
2025-08-14T08:32:50.960-04:00 DEBUG 35700 --- [chatbot] [nio-8090-exec-6] o.s.ai.tool.method.MethodToolCallback    : Successful execution of tool: QueryKnowledgeDomain

Somewhere in there i'd like to see what the question was that went into the QueryKnowledgedomain as it only takes String Question.

[ThomasVitale]

You can achieve that by relying on the built-in instrumentation: https://docs.spring.io/spring-ai/reference/observability/index.html#_tool_calling

Alternatively, you can define an ObservationHandler for the ToolCallingObservationContext which gives you access to the full data about the tool calling operation.