Tool Use / Function Calling
The mechanism that lets AI agents call external systems — defined functions with names, descriptions, and parameters.
SAP
An agent with a tool called `post_fi_document` can call BAPI_ACC_DOCUMENT_POST in SAP. The tool definition tells the AI what the function does, what parameters it needs, and what it returns.
Related terms
Agent / AI AgentA2A (Agent-to-Agent)API (Application Programming Interface)Context WindowEmbeddingsFine-tuning
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