Hook um_shortcode_args_filter

um_shortcode_args_filter.php

<?php

/**
 * Hook: um_shortcode_args_filter
 *
 * Type: filter
 *
 * Description: Change arguments on load shortcode.
 * Used in the core to unserialize array arguments and change the template in special cases - display 'logout' and 'message' templates.
 *
 * @example https://github.com/ultimatemember/ultimatemember/blob/master/includes/core/class-shortcodes.php#L676
 * @link    https://docs.ultimatemember.com/article/1267-umshortcodeargsfilter
 *
 * @package um\core
 * @see     um\core\Shortcodes::load()
 * @since   2.0
 * @version 3.0
 *
 * @param array $args Shortcode arguments.
 *
 * @return array Shortcode arguments.
 */
function my_shortcode_args_filter( $args ) {
	// your code here.
	return $args;
}
add_filter( 'um_shortcode_args_filter', 'my_shortcode_args_filter', 10, 1 );