# AgentTrajectoryEvaluator

> **Class** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/evaluation/schema/AgentTrajectoryEvaluator)

Interface for evaluating agent trajectories.

## Signature

```python
AgentTrajectoryEvaluator()
```

## Extends

- `_EvalArgsMixin`
- `ABC`

## Properties

- `requires_input`

## Methods

- [`evaluate_agent_trajectory()`](https://reference.langchain.com/python/langchain-classic/evaluation/schema/AgentTrajectoryEvaluator/evaluate_agent_trajectory)
- [`aevaluate_agent_trajectory()`](https://reference.langchain.com/python/langchain-classic/evaluation/schema/AgentTrajectoryEvaluator/aevaluate_agent_trajectory)

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/fb6ab993a73180538f6cca876b3c85d46c08845f/libs/langchain/langchain_classic/evaluation/schema.py#L383)