Unverified50% confidenceFactExact time
In the Function Calling mechanism, developers declare in advance the name, purpose, and parameter structure of a tool (typically represented as a JSON Schema), Gemini infers whether a call is needed and returns a structured function call request, and the actual function is executed by the client or backend, with the result returned to the model for integration.
1
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50%
Confidence
Long-term
Relevance
10/11/2026
First Seen
Sources
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Related Claims
VerifiedThe mechanism of Function Calling is that developers predefine function names, parameter formats, and capability descriptions, and the large model autonomously decides when to call which function and generates call parameters that conform to the specification.73% similarVerifiedAgents use the Tool Calling mechanism to allow models to output calling intent in a structured JSON format, with external programs executing the actual operations and feeding results back to the model.71% similarUnverifiedAfter the introduction of callable support, developers can pass in a function to dynamically determine whether to trigger a retry.70% similar
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