<div *ngIf='name && lastName; then thereAreParams else thereArentAnyParams'> </div> <ng-template #thereAreParams> <h2>Name is : {{name}} </h2> <h2>Last name is : {{lastName}} </h2> </ng-template> <ng-template #thereArentAnyParams> <h2>There aren't any parameters</h2> </ng-template>
