# ResponseTextDeltaEvent
## Properties
**r#type** | **String** | The type of the event. Always `response.output_text.delta`. |
**item_id** | **String** | The ID of the output item that the text delta was added to. |
**output_index** | **i32** | The index of the output item that the text delta was added to. |
**content_index** | **i32** | The index of the content part that the text delta was added to. |
**delta** | **String** | The text delta that was added. |
**sequence_number** | **i32** | The sequence number for this event. |
**logprobs** | [**Vec<models::ResponseLogProb>**](ResponseLogProb.md) | The log probabilities of the tokens in the delta. |
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