Source Files: includes/admin/classes-posts-listings/class-learndash-admin-transactions-listing.php

Method: Called via the WordPress init action hook.

Method: Filter the main query listing by the transaction_type

Method: Filter the main query listing by the course_id

Method: Filter the main query listing by the group_id

Method: Output the Transaction Type column.

Method: Output the Transaction Course or Group.

Method: Show Transaction User ID.

Method: Public constructor for class