<WidgetTemplate name="AssigneeWidgetTemplate" inputWidgetName="AssigneeInput">

  <TemplateAttribute name="pickerLocation" default="AssigneePickerPopup" type="xsd:string" />
  <TemplateAttribute name="pickerIcon" default="&quot;search&quot;" type="xsd:string" />
  <TemplateAttribute name="assignable" type="expression" />

  <ExpressionRangeValue>
    <MenuItem id="#{id}_PickerButton" icon="#{pickerIcon}" iconType="svgFileName"
              action="#{pickerLocation}.push(new gw.api.assignment.AssigneePicker(entity.Activity.Type.isAssignableFrom(typeof (#{assignable}))))"
                 hideIfReadOnly="true" />

  </ExpressionRangeValue>
</WidgetTemplate>