Follow the steps below to check for any change in the GA4 BigQuery schema:
Step-1: Make sure you have connected your GA4 property with a BigQuery project and collected at least a couple of days of data.
Step-2: Navigate to the ‘GA4 BigQuery Composer‘ (the custom ChatGPT I created to automate SQL generation for GA4 data in BigQuery).
Step-3: Enter the following text prompt: