Hook um_after_changing_user_password

um_after_changing_user_password.php

<?php

/**
 * Hook: um_after_changing_user_password
 *
 * Type: action
 *
 * Description: Fires after user change the password.
 * This hook may be used to add cookies or customize redirect.
 *
 * @example https://github.com/ultimatemember/ultimatemember/blob/master/includes/core/class-password.php#L644
 * @link    https://docs.ultimatemember.com/article/1013-umafterchanginguserpassword
 *
 * @package um\core
 * @see     um\core\Password::um_change_password_process_hook()
 * @since   2.0
 * @version 3.0
 *
 * @param int $user_id User ID.
 */
function my_after_changing_user_password( $user_id ) {
	// your code here.
}
add_action( 'um_after_changing_user_password', 'my_after_changing_user_password', 10, 1 );