Game Center Challenges

From what I understand, Game Center challenges are accessible from within the Game Center UI, but is it possible to initiate a challenge directly from an iOS app?

https://developer.apple.com/library/ios/documentation/NetworkingInternet/Conceptual/GameKit_Guide/Challenges/Challenges.html#//apple_ref/doc/uid/TP40008304-CH18-SW1

unfortunately looks like it is not supported by corona sdk  :unsure:

Wish it was…  sure would be good to have this capability.

https://developer.apple.com/library/ios/documentation/NetworkingInternet/Conceptual/GameKit_Guide/Challenges/Challenges.html#//apple_ref/doc/uid/TP40008304-CH18-SW1

unfortunately looks like it is not supported by corona sdk  :unsure:

Wish it was…  sure would be good to have this capability.