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_on_chat_model_start() — langchain Function Reference

Architecture documentation for the _on_chat_model_start() function in base.py from the langchain codebase.

Function python Observability Tracers called by 2

Entity Profile

Dependency Diagram

graph TD
  026587b1_ac0d_b217_1855_a63a386850c6["_on_chat_model_start()"]
  b3ab8001_c14c_4191_ca53_2dbabc99917f["AsyncBaseTracer"]
  026587b1_ac0d_b217_1855_a63a386850c6 -->|defined in| b3ab8001_c14c_4191_ca53_2dbabc99917f
  43b37584_385d_a973_422d_989a637f7069["on_chat_model_start()"]
  43b37584_385d_a973_422d_989a637f7069 -->|calls| 026587b1_ac0d_b217_1855_a63a386850c6
  5409dd91_c8ea_0b1e_a8b7_b649883eb2c8["on_chat_model_start()"]
  5409dd91_c8ea_0b1e_a8b7_b649883eb2c8 -->|calls| 026587b1_ac0d_b217_1855_a63a386850c6
  style 026587b1_ac0d_b217_1855_a63a386850c6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/tracers/base.py lines 908–909

    async def _on_chat_model_start(self, run: Run) -> None:
        """Process the Chat Model Run upon start."""

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does _on_chat_model_start() do?
_on_chat_model_start() is a function in the langchain codebase, defined in libs/core/langchain_core/tracers/base.py.
Where is _on_chat_model_start() defined?
_on_chat_model_start() is defined in libs/core/langchain_core/tracers/base.py at line 908.
What calls _on_chat_model_start()?
_on_chat_model_start() is called by 2 function(s): on_chat_model_start, on_chat_model_start.

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