ngAfterContentInit()

This is the documentation for Angular 6.
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A callback method that is invoked immediately after Angular has completed initialization of all of the directive's content. It is invoked only once when the directive is instantiated.

ngAfterContentInit(): void

Example

The following snippet shows how a component can implement this interface to define its own content initialization method.

@Component({selector: 'my-cmp', template: `...`})
class MyComponent implements AfterContentInit {
  ngAfterContentInit() {
    // ...
  }
}