# ChatCompletionChunkChoiceDeltaToolCall

Tool call delta for streaming responses


## Fields

| Field                                                                                                                          | Type                                                                                                                           | Required                                                                                                                       | Description                                                                                                                    |
| ------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------ |
| `index`                                                                                                                        | *float*                                                                                                                        | :heavy_check_mark:                                                                                                             | Tool call index in the array                                                                                                   |
| `id`                                                                                                                           | *Optional[str]*                                                                                                                | :heavy_minus_sign:                                                                                                             | Tool call identifier                                                                                                           |
| `type`                                                                                                                         | [Optional[models.ChatCompletionChunkChoiceDeltaToolCallType]](../models/chatcompletionchunkchoicedeltatoolcalltype.md)         | :heavy_minus_sign:                                                                                                             | Tool call type                                                                                                                 |
| `function`                                                                                                                     | [Optional[models.ChatCompletionChunkChoiceDeltaToolCallFunction]](../models/chatcompletionchunkchoicedeltatoolcallfunction.md) | :heavy_minus_sign:                                                                                                             | Function call details                                                                                                          |