adding directive to a angular 2 component

Question

I recently created a simple project using angular 2. When I try to add a directive component to the app.component, there's a red underline for 'directives' property. Anybody tell me what's wrong here?

Answer 1

Directives, components, and pipes need to be added to

@NgModule({
  declarations: [...]

since RC.6

directives, and pipes was removed from @Component() back then.