
    <nz-modal
      [(nzVisible)]="isVisible"
      nzTitle="Please select"
      (nzOnCancel)="handleCancel($event)"
      (nzOnOk)="handleOk($event)"
    >
      <nz-cascader
        *nzModalContent
        [nzOptions]="nzOptions"
        [(ngModel)]="values"
        (ngModelChange)="onChanges($event)"
      ></nz-cascader>
    </nz-modal>

    <button nz-button (click)="open()">Open Dialog</button>
  