<mat-tab-group backgroundColor="primary" color="accent">
  <mat-tab label="Commands">
    <app-commands></app-commands>
  </mat-tab>
  <mat-tab label={{scopelabel}} disabled={{!isscopeavailable}}>
    <app-scope (ScopeEnabled)="onScopeEnabled($event)"></app-scope>
  </mat-tab>
</mat-tab-group>