generic shortcpode.php

<?php
/*
use like  [myshortcode type=feedback]
*/

add_shortcode( 'myshortcode', function ( $atts ) {
	$atts = shortcode_atts( array( 'type' => '' ) );

	return apply_filter( 'myshortcode_' . $atts['type'], '' );
} );

add_filter( 'myshortcode_ad', function () {
	return 'Hello World!';
} );

add_filter( 'myshortcode_feedback', function () {
	return 'Hello World!';
} );

add_filter( 'myshortcode_thanks', function () {
	return 'thanks';
} );