how can i get timestamps for the chat transcript?

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here is my code: @session.on("close") def *on_close*(_ev_: CloseEvent): print(f"Agent Session closed, reason:") print("=" * 20) print("Chat History:") print(session.history) for item in session.history.items: if item.type == "message": content = item.text_content.replace('\n', '\\n') text = f"{item.role}: {content}" if item.interrupted: text += " (interrupted)" print(text) print("=" * 20)

Thank you for sharing your code! Based on your implementation, you are accessing the session history using

session.history

. Each item in the history is a

ChatMessage

object, which includes properties like

role

,

text_content

, and

interrupted

. If you want to include timestamps for each message, you can access the

timestamp

property of each

ChatMessage

object. This will allow you to print the time when each message was sent. For example, you can modify your loop to include:

for item in session.history.items:
    if item.type == "message":
        content = item.text_content.replace('\n', '\n')
        text = f"{item.role}: {content} (Timestamp: {item.timestamp})"
        if item.interrupted:
            text += " (interrupted)"
        print(text)

This will display the timestamp for each message in your chat history. Sources: Events and error handling | LiveKit Docs | Workflows | LiveKit Docs | Session recording and transcripts | LiveKit Docs

Got this error raise AttributeError(f'{type(self).name!r} object has no attribute {item!r}') AttributeError: 'ChatMessage' object has no attribute 'timestamp'

The error indicates that the

ChatMessage

object in your implementation does not have a

timestamp

attribute. This could be due to a version mismatch or a different implementation of the

ChatMessage

class in your environment. To resolve this, please check the following: • Ensure that you are using the latest version of the LiveKit SDK, as the

timestamp

attribute is expected to be part of the

ChatMessage

class. • Verify the structure of the

ChatMessage

object in your environment by inspecting its attributes or referring to the documentation for your specific SDK version. • If the

timestamp

attribute is not available, you may need to manually add timestamps when messages are created or use an alternative method to track message times. If you continue to encounter issues, please let me know, and I can assist further. Sources: livekit.rtc.chat API documentation | ChatMessage | LiveKit JS Client SDK - v2.8.1