{assign var = params value = [
        "limit" => 30,
        "getPage" => 1,
        "query" => {$smarty.get.query}
    
    ]}

{*processor action="web/catalog/category/products/getdata" ns="modxsite" params="limit=`30`&getPage=`1`" assign=result*}
{processor action="web/filter/catalog" ns="modxsite" params=$params assign=result}