//Create Act Act System for Testing
ActorSystem system = TopicEventBus.inItSystem("TestTopic"); //ActorSystem Init
 
//Create user
TopicEventBus.CreateActor("A");
TopicEventBus.CreateActor("B");
TopicEventBus.CreateActor("C");
 
//A user wants to receive News A in English
TopicEventBus.Subscribe("A", "newsA", "en").Wait();
 
//User B wants to receive news A in Korean
TopicEventBus.Subscribe("B", "newsA", "kr").Wait();
 
//Users of c want to receive News B in English
TopicEventBus.Subscribe("C", "newsB", "en").Wait();
 
 
//Server real-time messages (server sprays news regardless of user)
TopicEventBus.Publish("newsA", "Hi...here news A", "en");
TopicEventBus.Publish("newsA", "여기에 새로운 뉴스가 있습니다.", "kr");
TopicEventBus.Publish("newsB", "Hi...here news B", "en");

Result:
create actor name:A
create actor name:B
create actor name:C
Subscribe actor name:A to newsA
Subscribe actor name:B to newsA
A FirstSet LangCode en from newsA
B FirstSet LangCode kr from newsA
Subscribe actor name:C to newsB
C FirstSet LangCode en from newsB
Publish Topic:newsA msg:Hi...here news A
Publish Topic:newsA msg:여기에 새로운 뉴스가 있습니다.
A가 뉴스를 받음 Hi...here news A from newsA
Publish Topic:newsB msg:Hi...here news B
C가 뉴스를 받음 Hi...here news B from newsB
B가 뉴스를 받음 여기에 새로운 뉴스가 있습니다. from newsA