
    <button nz-button (click)="createNotification('top')" nzType="primary">
      <nz-icon nzType="border-top" nzTheme="outline" />
      top
    </button>
    <button nz-button (click)="createNotification('bottom')" nzType="primary">
      <nz-icon nzType="border-bottom" nzTheme="outline" />
      bottom
    </button>
    <nz-divider></nz-divider>
    <button nz-button (click)="createNotification('topLeft')" nzType="primary">
      <nz-icon nzType="radius-upleft" />
      topLeft
    </button>
    <button nz-button (click)="createNotification('topRight')" nzType="primary">
      <nz-icon nzType="radius-upright" />
      topRight
    </button>
    <nz-divider></nz-divider>
    <button nz-button (click)="createNotification('bottomLeft')" nzType="primary">
      <nz-icon nzType="radius-bottomleft" />
      bottomLeft
    </button>
    <button nz-button (click)="createNotification('bottomRight')" nzType="primary">
      <nz-icon nzType="radius-bottomright" />
      bottomRight
    </button>
  