lass="fa fa-times text-danger"></i>
                </button>
            </span>
            <div class="form-group">
                <select class="form-control" ng-model="serie.entity"
                    ng-options="item as metadata[item].label for item in metadata.entities"></select>
            </div>
        </div>
        <div class="form-group">
            <select class="form-control" ng-model="serie.dateField"
                ng-options="item.name as item.name for item in pickFields(metadata[seri