In-App Event

- (void)logEventWithEventName:(NSString *)eventName
        eventValues:(NSDictionary<NSString * , id> * _Nullable)eventValues
        completionHandler:(void (^ _Nullable)(NSDictionary<NSString *, id> * _Nullable dictionary, NSError * _Nullable error))completionHandler;

[[AppsFlyerLib shared]  logEvent: AFEventAddToWishlist withValues: @{
    AFEventParamPrice: @20,
    AFEventParamContentId: @"123456"
}]

AppsFlyerLib.shared().logEvent(AFEventAddToWishlist,
  withValues: [
     AFEventParamPrice: 20,
     AFEventParamContentId: "123456"
]);

[[AppsFlyerLib shared]  logEvent: AFEventContentView withValues: @{
    AFEventParamContentId: <ITEM_SKU>,
    AFEventParamContentType: <ITEM_TYPE>,
    AFEventParamPrice: <ITEM_PRICE>
}]

AppsFlyerLib.shared().logEvent(AFEventAddToCart,
  withValues: [
    AFEventParamContent: <ITEM_NAME>
    AFEventParamContentId: <ITEM_SKU>
    AFEventParamPrice: <ITEM_PRICE>
]);

[[AppsFlyerLib shared] logEventWithEventName:AFEventPurchase
        eventValues: @{
          AFEventParamRevenue: @200,
          AFEventParamCurrency: @"USD",
          AFEventParamQuantity: @2,
          AFEventParamContentId: @"092",
          AFEventParamReceiptId: @"9277"
        }
        completionHandler:^(NSDictionary<NSString *,id> * _Nullable dictionary, NSError * _Nullable error){
            if(dictionary != nil) {
                NSLog(@"In app callback success:");
                for(id key in dictionary){
                    NSLog(@"Callback response: key=%@ value=%@", key, [dictionary objectForKey:key]);
                }
            }
            if(error != nil) {
                NSLog(@"In app callback error:", error);
            }
    }];

AppsFlyerLib.shared().logEvent(name: AFEventAddToWishlist,
          values: [
             AFEventParamPrice: 20,
             AFEventParamContentId: "123456"
          ],
          completionHandler: { (response: [String : Any]?, error: Error?) in
            if let response = response {
              print("In app event callback Success: ", response)
            }
            if let error = error {
              print("In app event callback ERROR:", error)
            }
          });

[[AppsFlyerLib shared] logEvent: AFEventPurchase 
withValues:@{
	AFEventParamContentId:@"1234567",
	AFEventParamContentType : @"category_a",
	AFEventParamRevenue: @200,
	AFEventParamCurrency:@"USD"
}];

AppsFlyerLib.shared().logEvent(AFEventPurchase, 
withValues: [
	AFEventParamContentId:"1234567",
	AFEventParamContentType : "category_a",
	AFEventParamRevenue: 200,
	AFEventParamCurrency:"USD"
]);

[[AppsFlyerLib shared] logEvent: AFEventPurchase
withValues:@{
	AFEventParamRevenue: @200,
	AFEventParamCurrency:@"USD"
}];

AppsFlyerLib.shared().logEvent(AFEventPurchase, 
withValues: [
	AFEventParamRevenue: 200,
	AFEventParamCurrency:"USD"
]);

[[AppsFlyerLib shared] logEvent: @"cancel_purchase" 
withValues:@{
	AFEventParamContentId:@"1234567",
	AFEventParamContentType : @"category_a",
	AFEventParamRevenue: @-1.99,
	AFEventParamCurrency:@"USD"
}];

AppsFlyerLib.shared().logEvent("cancel_purchase", 
withValues: [
	AFEventParamContentId:"1234567",
	AFEventParamContentType : "category_a",
	AFEventParamRevenue: -1.99,
	AFEventParamCurrency:"USD"
]);

- (void) validateAndLogInAppPurchase:(NSString *) productIdentifier,
                  price:(NSString *) price
                  currency:(NSString *) currency
                  transactionId:(NSString *) tranactionId
                  additionalParameters:(NSDictionary *) params
                  success:(void (^)(NSDictionary *response)) successBlock
                  failure:(void (^)(NSError *error, id reponse)) failedBlock;

validateAndLog(inAppPurchase: String?,
               price: String?,
               currency: String?,
               transactionId: String?,
               additionalParameters: [AnyHashable : Any]?,
               success: ([AnyHashable : Any]) -> Void)?,
               failure: ((Error?, Any?) -> Void)?)

[[AppsFlyerLib shared] validateAndLogInAppPurchase:@"ProductIdentifier" price:@"price"
    currency:@"USD"
    transactionId:@"transactionID"
    additionalParameters:@{@"test": @"val" , @"test1" : @"val 1"}
    success:^(NSDictionary *result){
      NSLog(@"Purchase succeeded And verified! response: %@", result[@"receipt"]);
    } failure:^(NSError *error, id response) {
      NSLog(@"response = %@", response);
      if([response isKindOfClass:[NSDictionary class]]) {
        if([response[@"status"] isEqualToString:@"in_app_arr_empty"]){
          // retry with 'SKReceiptRefreshRequest' because
          // Apple has returned an empty response
          // <YOUR CODE HERE>
        }

      } else {
        //handle other errors
        return;
      }
  }];

AppsFlyerLib.shared().validateAndLogInAppPurchase (
  inAppPurchase: "productIdentifier",
  price: "price",
  currency: "currency",
  transactionId: "transactionId",
  additionalParameters: [:],
  success: {
      guard let dictionary = $0 as? [String:Any] else { return }
      dump(dictionary)
    }, 
  failure: { error, result in
      guard let emptyInApp = result as? [String:Any],
      let status = emptyInApp["status"] as? String,
      status == "in_app_arr_empty" else {
      // Try to handle other errors
      return
    }     
    })

[AppsFlyerLib shared].useReceiptValidationSandbox = YES;

AppsFlyerLib.shared().useReceiptValidationSandbox = true

{
   "some_parameter": "some_value", // from additional_event_values
   "af_currency": "USD", // from currency
   "af_content_id" :"test_id", // from purchase
   "af_revenue": "10", // from revenue
   "af_quantity": "1", // from purchase
   "af_validated": true // flag that AF verified the purchase
}