gistfile1.txt

// Set the "animate_onscroll" parameter for all Total vcex_ shortcodes to true by default.
// Note this example filters ALL shortcodes but you can use the $shortcode_tag argument to check
// which shortcode is currently being filtered.
add_filter( 'vcex_shortcode_params', function( $params, $shortcode_tag ) {
	foreach ( $params as $key => $val ) {
		if ( isset( $val['param_name'] ) && 'animate_onscroll' === $val['param_name'] ) {
			$params[$key]['std'] = 'true';
		}
	}
	return $params;
}, 10, 2 );