trigger method
Implementation
void trigger(MethodCall call) {
var channelName = call.arguments['channelName'];
var channel = pusher!.channel(channelName);
channel?.trigger(call.arguments['eventName'], call.arguments['data']);
}
void trigger(MethodCall call) {
var channelName = call.arguments['channelName'];
var channel = pusher!.channel(channelName);
channel?.trigger(call.arguments['eventName'], call.arguments['data']);
}