output_keys() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ output_keys() — langchain Function Reference

Dependency Diagram

graph TD
  e0c15531_fbc6_bd72_3798_2599799e568d["output_keys()"]
  9066f65c_c5a3_1534_5336_72609f4ff02b["TrajectoryEvalChain"]
  e0c15531_fbc6_bd72_3798_2599799e568d -->|defined in| 9066f65c_c5a3_1534_5336_72609f4ff02b
  style e0c15531_fbc6_bd72_3798_2599799e568d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/evaluation/agents/trajectory_eval_chain.py lines 267–273

    def output_keys(self) -> list[str]:
        """Get the output keys for the chain.

        Returns:
            The output keys.
        """
        return ["score", "reasoning"]