# tinker_cookbook.renderers

| Class                                                                                                              | Description                                                                      |
| ------------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------- |
| [`Message`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/renderers/message/index.md)             | Container for a single turn in a multi-turn conversation.                        |
| [`RenderContext`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/renderers/rendercontext/index.md) | Context passed to render_message for rendering a single message.                 |
| [`TrainOnWhat`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/renderers/trainonwhat/index.md)     | Enum controlling which parts of the sequence to compute loss on.                 |
| [`Renderer`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/renderers/renderer/index.md)           | Abstract base class for rendering message lists into training and sampling promp |

| Function                                                                                                                                             | Description                                                    |
| ---------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------- |
| [`register_renderer()`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/renderers/register_renderer/index.md)                         | Register a custom renderer factory in the global registry.     |
| [`get_registered_renderer_names()`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/renderers/get_registered_renderer_names/index.md) | Return a list of all registered custom renderer names.         |
| [`is_renderer_registered()`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/renderers/is_renderer_registered/index.md)               | Check if a renderer name is registered in the custom registry. |
| [`unregister_renderer()`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/renderers/unregister_renderer/index.md)                     | Unregister a custom renderer factory.                          |
| [`get_renderer()`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/renderers/get_renderer/index.md)                                   | Factory function to create renderers by name.                  |