# RealtimeClientEventTranscriptionSessionUpdate
## Properties
**event_id** | Option<**String**> | Optional client-generated ID used to identify this event. | [optional]
**r#type** | **String** | The event type, must be `transcription_session.update`. |
**session** | [**models::RealtimeTranscriptionSessionCreateRequest**](RealtimeTranscriptionSessionCreateRequest.md) | |
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