# ChatStreamingMessageChunk


## Fields

| Field                                                                                        | Type                                                                                         | Required                                                                                     | Description                                                                                  |
| -------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------- |
| `role`                                                                                       | [Optional[models.ChatStreamingMessageChunkRole]](../models/chatstreamingmessagechunkrole.md) | :heavy_minus_sign:                                                                           | N/A                                                                                          |
| `content`                                                                                    | *OptionalNullable[str]*                                                                      | :heavy_minus_sign:                                                                           | N/A                                                                                          |
| `reasoning`                                                                                  | *OptionalNullable[str]*                                                                      | :heavy_minus_sign:                                                                           | N/A                                                                                          |
| `refusal`                                                                                    | *OptionalNullable[str]*                                                                      | :heavy_minus_sign:                                                                           | N/A                                                                                          |
| `tool_calls`                                                                                 | List[[models.ChatStreamingMessageToolCall](../models/chatstreamingmessagetoolcall.md)]       | :heavy_minus_sign:                                                                           | N/A                                                                                          |