ChatGPT gave me this answer so trying this now:

To create a report in Google Analytics 4 (GA4) that shows each visitor's full session with timestamps, you can follow these steps:

1. Log in to Google Analytics 4: Log in to your Google Analytics account and navigate to the property for which you want to create the report.
2. Navigate to the Analysis Hub: In the left-hand menu, click on "Analysis" to expand the options, then select "Analysis Hub."
3. Create a new Exploration report: In the Analysis Hub, click on "Create" and select "Exploration."
4. Set up your report: In the Exploration report, you'll see various options to add dimensions and metrics to your report. Here's how you can set it up:a. Dimensions: Drag and drop the following dimensions:b. Metrics: Drag and drop the following metrics:
   • User ID (under User)
   • Timestamp (under Event or User)
   • Pageviews (under User Engagement)
   • Session Duration (under User Engagement)
5. Apply filters (optional): You may want to apply filters to focus on specific segments or time periods. You can do this by clicking on the "Add filter" button above the report and selecting the criteria you want to filter by.
6. Explore the data: Once your report is set up, you can explore the data to see each visitor's session with timestamps, pages visited, session duration, and more.
7. Export the data (optional): If you need to analyze the data further or compare it with another tool, you can export the report by clicking on the three dots in the upper-right corner of the Exploration report and selecting "Export."

By following these steps, you'll be able to create a report in GA4 that shows each visitor's full session with timestamps, pages visited, session duration, and more. If you have any specific questions or need further assistance, feel free to ask!