# RealtimeServerEventInputAudioBufferCommitted
## Properties
**event_id** | **String** | The unique ID of the server event. |
**r#type** | **String** | The event type, must be `input_audio_buffer.committed`. |
**previous_item_id** | Option<**String**> | The ID of the preceding item after which the new item will be inserted. Can be `null` if the item has no predecessor. | [optional]
**item_id** | **String** | The ID of the user message item that will be created. |
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