ForgeTracker/forgetracker/templates/tracker_widgets/custom_field_admin_detail.html

<div class="{{container_cls}}">
  {% set ctx=widget.context_for(selector) %}
  {{selector.display(css_class=selector_cls, **ctx)}}
  {% for name, field in states.iteritems() %}
    {% set ctx=widget.context_for(field) %}
    <div class="{{field_cls}}" data-name="{{name}}">
      {{field.display(**ctx)}}
    </div>
  {% endfor %}
</div>