Example

{
    "event_id": "event_678",
    "type": "conversation.item.truncate",
    "item_id": "item_002",
    "content_index": 0,
    "audio_end_ms": 1500
}

conversation.item.delete

Send this event when you want to remove any item from the conversation history. The server will respond with a conversation.item.deleted event, unless the item does not exist in the conversation history, in which case the server will respond with an error.