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

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