GroupChannel class Null safety

Represents group channel

In most case, any static or instance method will throw a SBError if anything goes wrong such as parameter is not provided or connection has not been maded. Use method with try/catch block or then/catchError callback

try {
   final channel = GroupChannel.getChannel('1234');
   //do something with channel
} catch (e) {
   //handle error
}

or

GroupChannel.getChannel('1234').then((channel) {
  //do seomthing with channel
}).catchError((e) {
  //handle error
})