I'm afraid that this issue does not belong to our responsibility.
As our policy, we always willing to support you in fixing bugs that related to HiCom's original source code within 1 year. ( If you successfully setup but still get an error, we will support you)
In this case, if you still find it's difficult to complete this task, you could hire our team to have it done.
If you agree with it, please leave your email here so that we could directly contact.
Thanks for your comment. Before give you the answer, I would like to ask you some questions:
1. Which framework are you using to build your backend?
2. Kindly provide your link and backend account to @Codester then they will send it back to us, then we will carefully review and give you answer.
May I know your purpose to add NSNotificationCenter into source code? If you want to customize the app then kindly contact us directly for the best support.
Leave us your email, please.
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