Home / Function/ get_output_schema() — langchain Function Reference

get_output_schema() — langchain Function Reference

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

Entity Profile

Dependency Diagram

graph TD
  478ebc6f_a0e2_4b2b_d7fd_3d1d93501b91["get_output_schema()"]
  f3cef70e_11b0_61c9_7ec0_7308f4b45056["Chain"]
  478ebc6f_a0e2_4b2b_d7fd_3d1d93501b91 -->|defined in| f3cef70e_11b0_61c9_7ec0_7308f4b45056
  style 478ebc6f_a0e2_4b2b_d7fd_3d1d93501b91 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/base.py lines 120–128

    def get_output_schema(
        self,
        config: RunnableConfig | None = None,
    ) -> type[BaseModel]:
        # This is correct, but pydantic typings/mypy don't think so.
        return create_model(
            "ChainOutput",
            **dict.fromkeys(self.output_keys, (Any, None)),
        )

Subdomains

Frequently Asked Questions

What does get_output_schema() do?
get_output_schema() is a function in the langchain codebase, defined in libs/langchain/langchain_classic/chains/base.py.
Where is get_output_schema() defined?
get_output_schema() is defined in libs/langchain/langchain_classic/chains/base.py at line 120.

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