FooEvents captures the exact time an attendee is checked-in or checked-out and stores these times in your WordPress database. Using the FooEvents CSV export function, you can generate and download a CSV file that contains all attendees for a particular event which includes the check-in and check-out times for each attendee.
You can export a CSV file for each event which includes all ticket numbers, custom attendee fields, check-in data, booking information, purchaser and attendee details. The CSV file can be opened using any spreadsheet program such as Microsoft Excel or Google Sheets where the data can be sorted, filtered and analyzed. Here are the instructions