matrix-dimension/web/app/configs/widget/tradingview/tradingview.widget.component.html

<my-widget-config [widgetComponent]="this">
    <ng-template #widgetParamsTemplate let-widget="widget">
        <label class="label-block">
            Trading Pair
            <select class="form-control form-control-sm" [(ngModel)]="widget.dimension.newData.pair" [disabled]="isUpdating" name="widget-pair-{{widget.id}}">
                <option *ngFor="let pair of pairs" [ngValue]="pair.value">
                    {{ pair.label }}
                </option>
            </select>
        </label>

        <label class="label-block">
            Interval
            <select class="form-control form-control-sm" [(ngModel)]="widget.dimension.newData.interval" [disabled]="isUpdating" name="widget-interval-{{widget.id}}">
                <option *ngFor="let interval of intervals" [ngValue]="interval.value">
                    {{ interval.label }}
                </option>
            </select>
        </label>
    </ng-template>
</my-widget-config>