# tinker.types.OptimStepResponse *Generated from tinker 0.30.4 at commit [`1e5777e`](https://github.com/thinking-machines-lab/tinker/tree/1e5777ef1e0bb2bae6d9b8d63a6144eec405377d). Source links point at that snapshot.* ## *class* [**tinker.types.OptimStepResponse**](https://github.com/thinking-machines-lab/tinker/blob/1e5777ef1e0bb2bae6d9b8d63a6144eec405377d/src/tinker/types/_pydantic_types/optim_step_response.py#L6)(*[BaseModel](https://github.com/thinking-machines-lab/tinker/blob/1e5777ef1e0bb2bae6d9b8d63a6144eec405377d/src/tinker/_models.py#L88)*) **Fields:** - [**metrics**](https://github.com/thinking-machines-lab/tinker/blob/1e5777ef1e0bb2bae6d9b8d63a6144eec405377d/src/tinker/types/_pydantic_types/optim_step_response.py#L7) (*Optional\[Dict[str, float]\]*) – Optimization step metrics as key-value pairs