Try to fix exception

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Based on the search results, here's what an exception JSON payload might look like for the Google Analytics 4 (GA4) Measurement Protocol:

Structure of the Payload

The overall structure of a GA4 Measurement Protocol payload typically looks like this:

{
  "client_id": "XXXXXXXXXX.YYYYYYYYYY",
  "user_id": "optional_user_id",
  "timestamp_micros": optional_timestamp,
  "events": [
    {
      "name": "exception_name",
      "params": {
        "message": "exception_message",
        "severity": "optional_severity",
        "description": "optional_description"
      }
    }
  ]
}

Key Components

1. client_id: A unique identifier for the client.

2. user_id (optional): A unique identifier for the user.

3. timestamp_micros (optional): The Unix timestamp in microseconds for the events.

4. events[]: An array containing one or more event objects.

5. Within each event object:

   • name: The name of the exception event (e.g., "app_exception").
   • params: An object containing parameters specific to the exception event.

Example Exception Payload

Here's an example of what an exception payload might look like:

{
  "client_id": "123456.7654321",
  "events": [
    {
      "name": "app_exception",
      "params": {
        "message": "Failed to load resource",
        "severity": "error",
        "description": "Could not connect to server"
      }
    }
  ]
}

Important Notes

1. The app_exception event name is reserved and cannot be used for custom exceptions [2].

2. You can include custom parameters in the params object to provide additional information about the exception.

3. Make sure to set the Content-Type header to application/json when sending the request [5].

4. You can use the debug endpoint (https://www.google-analytics.com/debug/mp/collect) to validate your payload before sending it to the production endpoint [5].

5. Ensure that you're looking for the events in the correct place - they may appear in the Realtime Overview report rather than immediately showing up in Data Streams [5].

By following these guidelines and using this structure, you should be able to send exception data to GA4 via the Measurement Protocol.

Citations:
[1] https://www.optimizesmart.com/what-is-measurement-protocol-in-google-analytics-4-ga4/
[2] https://developers.google.com/analytics/devguides/collection/protocol/ga4/reference
[3] https://www.weltpixel.com/blog/post/google-analytics-4-how-to-fix-events-not-being-tracked-when-using-measurement-protocol
[4] https://developers.google.com/analytics/devguides/collection/protocol/ga4/sending-events
[5] https://stackoverflow.com/questions/69121457/google-analytics-4-measurement-protocol-not-working
[6] https://medium.com/@deepakatanalytics/ga4-measurement-protocol-e6e8c76f8d18
[7] https://www.simoahava.com/analytics/session-attribution-with-ga4-measurement-protocol/?ref=ga4bigquery.com
[8] https://www.owox.com/blog/articles/ga4-measurement-protocol/
[9] https://googleanalytics4.co/implementation/measurement-protocol-in-google-analytics-4/
[10] https://datajournal.datakyu.co/advanced-ga4-measurement-protocol-implementation/