# ChatCompletionCreateParamsResponseFormatGrammar

Custom grammar response format


## Fields

| Field                                                                                              | Type                                                                                               | Required                                                                                           | Description                                                                                        |
| -------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- |
| `type`                                                                                             | [models.ChatCompletionCreateParamsTypeGrammar](../models/chatcompletioncreateparamstypegrammar.md) | :heavy_check_mark:                                                                                 | N/A                                                                                                |
| `grammar`                                                                                          | *str*                                                                                              | :heavy_check_mark:                                                                                 | Custom grammar for text generation                                                                 |