JSC - matriz yampi

function() {           // transforma a matriz da Yampi no padrão GA4
  var products = {{dlv - ecommerce.items}}; //matriz de produtos no padrão GA4
  var tam = products.length
  var indice=0
  var viarray =[{"item_id":products[indice].shopify_product_id,
                 "item_name":products[indice].product_option.product.name,
                 "item_category":products[indice].short_description,
                 "price":products[indice].product_option.price_discount,
                 "quantity":products[indice].quantity
                }];
  var tam=tam-1
    while (tam !=0){
       var indice=indice+1
       viarray.push ({"item_id":products[indice].shopify_product_id,
                      "item_name":products[indice].product_option.product.name,
                      "item_category":products[indice].short_description,
                      "price":products[indice].product_option.price_discount,
                      "quantity":products[indice].quantity
                      });
       var tam=tam-1
                    }  
  return viarray;
}