# tinker_cookbook.renderers.is_renderer_registered ### [**tinker_cookbook.renderers.is_renderer_registered**](https://github.com/thinking-machines-lab/tinker-cookbook/blob/main/tinker_cookbook/renderers/__init__.py#L91)(*name*) Check if a renderer name is registered in the custom registry. **Parameters:** - [**name**](https://github.com/thinking-machines-lab/tinker-cookbook/blob/main/tinker_cookbook/renderers/__init__.py#L91) (*str*) – The renderer name to check. **Returns:** *bool* – True if the name has been registered via `register_renderer()`.