Sign up and get an app token: https://app.supportkit.io/signup.
CocoaPods:
pod 'SupportKit'
pod update
Obj-C:
[SupportKit initWithSettings:[SKTSettings settingsWithAppToken:@"YOURAPPTOKEN"]];
[SupportKit show];
Swift:
SupportKit.initWithSettings("YOURAPPTOKEN")
SupportKit.show()