WooCommerce: Increase variation threshold to prevent AJAX

woowaitlist-fix.php

<?php
function ww_ajax_variation_threshold( $default, $product ) {
	return 50; // increase this number if needed
}
add_filter( 'woocommerce_ajax_variation_threshold', 'ww_ajax_variation_threshold', 10, 2 );
?>

Hi, how do i properly ad this to my childs theme? Where do i place it? Will it need any changes in the future, and why would that be? Thank you very much!

where i have to place the above code

where i have to place the above code

Hi, I hope it's not too late... You can place this code on functions.php of your theme / child theme.

i want to set this kind of variations
product
select 4 variations for free from 10
select 1 variation from 4
if seleceted new variation price for each selection is 2$ for example
this is helpful for composition of salad for example
thank you