App Store return product information (Obj-C)

ReceiveResponse.m

@property (nonatomic, strong) NSMutableArray<SKProduct *> *verifiedProducts;

- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response{
    self.verifiedProducts = response.products
    // print invalid products and valid products
    for (NSString *identifier in response.invalidProductIdentifiers) {
        NSLog(@"invalid identifier:  %@", identifier);
    }
    for (NSString *invalid_identifier in response.products) {
        NSLog(@"valid identifier:  %@", invalid_identifier);
    }
}