output_keys() — langchain Function Reference

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

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ output_keys() — langchain Function Reference

Dependency Diagram

graph TD
  73b9b4ce_ff95_6bd4_e4c8_f76c4c3a0a73["output_keys()"]
  be2fab99_c17a_7327_31b8_3526c30ba2b8["BaseConversationalRetrievalChain"]
  73b9b4ce_ff95_6bd4_e4c8_f76c4c3a0a73 -->|defined in| be2fab99_c17a_7327_31b8_3526c30ba2b8
  style 73b9b4ce_ff95_6bd4_e4c8_f76c4c3a0a73 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/conversational_retrieval/base.py lines 124–131

    def output_keys(self) -> list[str]:
        """Return the output keys."""
        _output_keys = [self.output_key]
        if self.return_source_documents:
            _output_keys = [*_output_keys, "source_documents"]
        if self.return_generated_question:
            _output_keys = [*_output_keys, "generated_question"]
        return _output_keys