I find what is the problem:First, I don't provide productCategory in the input array, and secondly, I need to add the 'productTaxonomyNodeId' global id, which looks like this gid://shopify/ProductTaxonomyNode/ 2879

Hello, I am trying to create a product with GraphQL and my code for productCategory is that:  $variables['productCategory'] =  array([                "productTaxonomyNodeId" =>"2879"            ]); I give the TaxionmyId but when the product is create...