# FunctionCallOutputItemParam
## Properties
**id** | Option<**String**> | The unique ID of the function tool call output. Populated when this item is returned via API. | [optional]
**call_id** | **String** | The unique ID of the function tool call generated by the model. |
**r#type** | **String** | The type of the function tool call output. Always `function_call_output`. |
**output** | [**models::FunctionCallOutputItemParamOutput**](FunctionCallOutputItemParamOutput.md) | |
**status** | Option<[**models::FunctionCallItemStatus**](FunctionCallItemStatus.md)> | | [optional]
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