# RealtimeServerEventInputAudioBufferSpeechStopped
## Properties
**event_id** | **String** | The unique ID of the server event. |
**r#type** | **String** | The event type, must be `input_audio_buffer.speech_stopped`. |
**audio_end_ms** | **i32** | Milliseconds since the session started when speech stopped. This will correspond to the end of audio sent to the model, and thus includes the `min_silence_duration_ms` configured in the Session. |
**item_id** | **String** | The ID of the user message item that will be created. |
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