# tinker.types.CreateCustomLossResponse *Generated from tinker 0.38.0 at commit [`4fb85c7`](https://github.com/thinking-machines-lab/tinker/tree/4fb85c7a2be46300f340cedd16ef2fab881c0c38). Source links point at that snapshot.* ## *class* [**tinker.types.CreateCustomLossResponse**](https://github.com/thinking-machines-lab/tinker/blob/4fb85c7a2be46300f340cedd16ef2fab881c0c38/src/tinker/types/create_custom_loss_response.py#L8)(*[BaseModel](https://github.com/thinking-machines-lab/tinker/blob/4fb85c7a2be46300f340cedd16ef2fab881c0c38/src/tinker/_models.py#L88)*) **Fields:** - [**loss_id**](https://github.com/thinking-machines-lab/tinker/blob/4fb85c7a2be46300f340cedd16ef2fab881c0c38/src/tinker/types/create_custom_loss_response.py#L9) (*str*) – Names the stored loss in `forward_backward` requests of the same session. - [**type**](https://github.com/thinking-machines-lab/tinker/blob/4fb85c7a2be46300f340cedd16ef2fab881c0c38/src/tinker/types/create_custom_loss_response.py#L12) (*Literal['create_custom_loss']*)