tencent cloud

 const int sdkAppId = your sdkAppId;
 static const NSString *appKey = @"Client Key";

 [TIMPushManager registerPush:sdkAppId appKey:appKey succ:^(NSData * _Nonnull deviceToken) {
     // 
  } fail:^(int code, NSString * _Nonnull desc) {
    //error
 }];

 [TIMPushManager unRegisterPush:^{
      //success
    } fail:^(int code, NSString * _Nonnull desc) {
      //error
  }];


@implementation NotificationService

- (void)didReceiveNotificationRequest:(UNNotificationRequest *)request withContentHandler:(void (^)(UNNotificationContent * _Nonnull))contentHandler {
    //The appGroup identifies the App Group shared between the main app and the Extension. It needs to be configured in the App Groups capability of the main app's capability.
    //Format: group + [mainBundleID] + key
    //E.g., group.com.tencent.im.pushkey
    NSString * appGroupID = kTIMPushAppGorupKey;
    __weak typeof(self) weakSelf = self;
    [TIMPushManager handleNotificationServiceRequest:request appGroupID:appGroupID callback:^(UNNotificationContent *content) {
        weakSelf.bestAttemptContent = [content mutableCopy];
        // Modify the notification content here...
        // self.bestAttemptContent.title = [NSString stringWithFormat:@"%@ [modified]", self.bestAttemptContent.title];
        weakSelf.contentHandler(weakSelf.bestAttemptContent);
    }];
}

@end