MDSection 28 of 38 · 7 subtopics
Function Calling
LLMs that use tools. Schema definitions, tool selection, argument validation, execution loops.
Learning path
Work through each subtopic in order. Click any file below to open its lesson. Track your progress with the checkbox at the bottom.
Subtopics
Each subtopic includes a concise explanation, code examples, and references.
01
Tools
Tool registry.
tools
02
Tool Definitions
JSON schema editor.
tool-definitions
03
Tool Selection
Model-to-tool decision flow.
tool-selection
04
Structured Output
JSON output validator.
structured-output
05
Function Arguments
Argument inspector.
function-arguments
06
Tool Execution
LLM → tool → result animation.
tool-execution
07
Tool Calling Loop
Multi-step execution timeline.
tool-calling-loop