# RealtimeBetaServerEventConversationItemInputAudioTranscriptionDelta
## Properties
**event_id** | **String** | The unique ID of the server event. |
**r#type** | **String** | The event type, must be `conversation.item.input_audio_transcription.delta`. |
**item_id** | **String** | The ID of the item. |
**content_index** | Option<**i32**> | The index of the content part in the item's content array. | [optional]
**delta** | Option<**String**> | The text delta. | [optional]
**logprobs** | Option<[**Vec<models::LogProbProperties>**](LogProbProperties.md)> | The log probabilities of the transcription. | [optional]
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