LLMS_User_Permissions::handle_caps()
Method: Custom capability checks for LifterLMS things
Source: includes/class.llms.user.permissions.php:235
llms_user_caps_edit_others_posts_post_types
Filter Hook: Modify the list of post types that users may not own but can still edit based on instructor permissions on the course
Source: includes/class.llms.user.permissions.php:244