Optionalcontent_The index of the content part in the item's content array.
OptionaldeltaThe text delta.
The unique ID of the server event.
The ID of the item.
OptionallogprobsThe log probabilities of the transcription.
The event type, must be conversation.item.input_audio_transcription.delta.
Returned when the text value of an input audio transcription content part is updated.