llms-custom-user-role.php

<?php // don't copy this line to your functions.php file

/**
 * Use a different role during LifterLMS user registrations
 * @param   array    $data assoc. array of data to be used to create the new user
 * @return  array
 */
function my_modify_default_user_role( $data ) {
	$data['role'] = 'subscriber';
	return $data;
}
add_filter( 'lifterlms_user_registration_insert_user', 'my_modify_default_user_role' );

note: use in onboarding for course
WC users need to understand the difference