Which of the following is correct ways of applying an attribute?

• [WebService (Name = "CuriousTab", Description = "CURIOUSTAB WebService")] class AuthenticationService: WebService { /* .... */}
• class AuthenticationService: inherits WebService { /* .... */}
• class AuthenticationService: extends WebService { /* .... */}
• [WebService ( Name := "CuriousTab", Description := "CURIOUSTAB WebService")] class AuthenticationService: inherits WebService { /* .... */}