<!-- custom angular formly template for ui-select multiple form field -->
<ui-select multiple data-ng-model="model[options.key]" data-required="{{to.required}}"
    data-disabled="{{to.disabled}}" theme="bootstrap">
  <ui-select-match placeholder="{{to.placeholder}}">
    {{$item[to.labelProp]}}
  </ui-select-match>
  <ui-select-choices data-repeat="{{to.ngOptions}}">
    <div ng-bind-html="option[to.labelProp] | highlight: $select.search"></div>
  </ui-select-choices>
</ui-select>
