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
  9b03e327_286a_3c56_909c_8aba5879145b["output_keys()"]
  5aa1201d_23fd_f122_acb5_563cb1cc3cb3["BaseQAWithSourcesChain"]
  9b03e327_286a_3c56_909c_8aba5879145b -->|defined in| 5aa1201d_23fd_f122_acb5_563cb1cc3cb3
  style 9b03e327_286a_3c56_909c_8aba5879145b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/qa_with_sources/base.py lines 116–121

    def output_keys(self) -> list[str]:
        """Return output key."""
        _output_keys = [self.answer_key, self.sources_answer_key]
        if self.return_source_documents:
            _output_keys = [*_output_keys, "source_documents"]
        return _output_keys