Simple TemplateRef and ngTemplateOutlet usage in Angular

parent.component.html

<app-my-content tplRef="myContent"></app-my-content>
<ng-template #myContent>
  <app-my-other-component>Hello world!</app-my-other-component>
</ng-template>

template.component.ts

@Component({
  selector: 'app-my-content',
  template: '<ng-container *ngTemplateOutlet="tplRef"></ng-container>',
})
class MyContent {
  @Input() tplRef: TemplateRef<any>;
}