Hook um_submit_form_data

um_submit_form_data.php

<?php

/**
 * Hook: um_submit_form_data
 *
 * Type: filter
 *
 * Description: Change submitted data on form submit.
 * Used in the core to prepare role fields data and trim input string values.
 *
 * @example https://github.com/ultimatemember/ultimatemember/blob/master/includes/core/class-form.php#L546
 * @link    https://docs.ultimatemember.com/article/1271-umsubmitformdata
 *
 * @package um\core
 * @see     um\core\Form::form_init()
 * @see     um_submit_form_data_role_fields()
 * @see     um_submit_form_data_trim_fields()
 * @since   2.0
 * @version 3.0
 *
 * @param array  $data Submitted data.
 * @param string $mode Form mode.
 *
 * @return array Submitted data.
 */
function my_submit_form_data( $data, $mode ) {
	if ( 'login' === $mode ) {
		// your code here.
	}
	return $data;
}
add_filter( 'um_submit_form_data', 'my_submit_form_data', 10, 2 );