# RunToolCallObject
## Properties
**id** | **String** | The ID of the tool call. This ID must be referenced when you submit the tool outputs in using the [Submit tool outputs to run](/docs/api-reference/runs/submitToolOutputs) endpoint. |
**r#type** | **String** | The type of tool call the output is required for. For now, this is always `function`. |
**function** | [**models::RunToolCallObjectFunction**](RunToolCallObject_function.md) | |
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