output_keys() — langchain Function Reference

Architecture documentation for the output_keys() function in refine.py from the langchain codebase.

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ output_keys() — langchain Function Reference

Dependency Diagram

graph TD
  3d1029f5_05d1_4078_b275_efe2b3eeb0fd["output_keys()"]
  d0a9b180_8f2a_0a58_5392_0a04880a6b38["RefineDocumentsChain"]
  3d1029f5_05d1_4078_b275_efe2b3eeb0fd -->|defined in| d0a9b180_8f2a_0a58_5392_0a04880a6b38
  style 3d1029f5_05d1_4078_b275_efe2b3eeb0fd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/combine_documents/refine.py lines 98–103

    def output_keys(self) -> list[str]:
        """Expect input key."""
        _output_keys = super().output_keys
        if self.return_intermediate_steps:
            _output_keys = [*_output_keys, "intermediate_steps"]
        return _output_keys