Session_id and where to find it

Hello, everyone!

I need to get my session_id for every conversation to be able to work with every separate conversation in the future (i.e., when playing with data analysis techniques). However, I cannot find any session_id’s neither in my database retrieved, nor even logs. How can I withdraw this parameter (together with all other needed ones like intent_name, sender_id, etc.)?

You can get the sender_id from the tracker. Typically, you’d do this in action_session_start and store it in a slot but this depends on your use case. You can see an example here.

To get intent information, you can see an example here.

Thank you a lot for your response! However, I need not sender_id, but session_id (for every separate session I have). Will this work for that? Or is there another solution for that?

I assumed you were using the REST channel which doesn’t have a separate session_id. sender_id and session_id are the same. However, you can set your own metadata to create session_id or any other value you want. What channel are you using?

I believe I am using the REST channel. How can I set my own metadata to create session_id? Could you give me a hint? Or is there any tutorial I could use ('cause I cannot find any)?

Thank you for any help you can offer!

To add metadata to a REST channel call in Rasa, you can include the metadata key in the JSON payload of your POST request. Here is an example of how the JSON payload should look:

  "sender": "test_user",
  "message": "Hi there!",
  "metadata": {
    "user_id": "value",
    "another_id": "value"

I asked chatgpt to write an action_session_start to retrieve the metadata:

from typing import Any, Text, Dict, List
from rasa_sdk import Action, Tracker
from import SessionStarted, ActionExecuted
from rasa_sdk.executor import CollectingDispatcher

class ActionSessionStart(Action):
    def name(self) -> Text:
        return "action_session_start"

    async def run(
        dispatcher: CollectingDispatcher,
        tracker: Tracker,
        domain: Dict[Text, Any]
    ) -> List[Dict[Text, Any]]:
        # Retrieve the metadata from the tracker's slots
        metadata = tracker.get_slot("session_started_metadata")
        # ... (rest of your custom action logic goes here)

        # The session should begin with a `session_started` event
        events = [SessionStarted()]

        # An `action_listen` should be added at the end as a user message follows

        return events
1 Like

Thank you a lot for your help! I will try this.