How to display GET variable in tvFilters?

Question

MODX

It is necessary that the catalog is filtered by a get-request in the getproducts snippet. It is necessary that a list of certain categories of goods be formed using pre-created links.
Here is the getproducts call:

The tagGet snippet gets a variable from get

<?php
return $_GET["tags"];

What am I doing wrong?

Answer 1

Try handwriting the tag first:
Also see what your snippet returns.
You can also try to generate the entire request with a snippet as I did:

+ get_filters snippet:

<?php
if(isset($_GET['filter_name']) && isset($_GET['filter_value'])){
    return '{"'.$_GET['filter_name'].'":"'.$_GET['filter_value'].'"}';
}