matrix-dimension/web/app/admin/widgets/etherpad/etherpad.component.html

<div class="dialog">
    <div class="dialog-header">
        <h4>{{'Etherpad Widget Configuration' | translate}}</h4>
    </div>
    <div class="dialog-content">
        <label class="label-block">
            {{'Default Pad URL Template' | translate}}
            <span class="text-muted ">{{'$padName and $roomId will be replaced during creation to help create a unique pad URL.' | translate}}</span>
            <input type="text" class="form-control"
                   placeholder="https://scalar.vector.im/etherpad/p/$padName_$roomId"
                   [(ngModel)]="widget.options.defaultUrl" [disabled]="isUpdating"/>
        </label>
    </div>
    <div class="dialog-footer">
        <button type="button" (click)="save()" title="save" class="btn btn-primary btn-sm">
            <i class="far fa-save"></i> {{'Save' | translate}}
        </button>
        <button type="button" (click)="dialog.close()" title="close" class="btn btn-secondary btn-sm">
            <i class="far fa-times-circle"></i> {{'Cancel' | translate}}
        </button>
    </div>
</div>