{assign var=newpar value=[
    "parents"   => "187",
    "depth"   => "20",
    "tpl"       => "hit",
    "useSmarty" => true,
    "includeTVs" => "image,price,hit",
    "tvFilters"  => json_encode(["vendor" => $modx->resource->pagetitle])
]}

{snippet name=getProducts params=$newpar parse=true}