Glossary

Function Calling

Also called: Tool Calling

A capability that enables an AI model to identify when an external function or tool should be invoked, generate the required structured arguments, and incorporate the returned results into its workflow or response.

Explore more about Tool Use

Related terms

Tool Invocation

The act of executing an external tool or function call with specified parameters as directed by an AI agent.

External Actions

Operations performed by an AI system that interact with external tools, services, APIs, or physical systems to retrieve information, modify state, or execute tasks beyond the model's internal reasoning.

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