this.saveProductName = function() {
        var productName = {
            name: $scope.productName
        };
        ProductName.saveProductName(productName, function(response) {
            if(response.status === 'success') {
                $scope.vendorProductData.product_name_id = response.resource.id;
            } else {
                $scope.message = response.message;
            }
        });
    };