open-consul/ui-v2/app/templates/components/child-selector.hbs

{{yield}}
  <YieldSlot @name="create">{{yield}}</YieldSlot>
  <label class="type-text">
    <span><YieldSlot @name="label">{{yield}}</YieldSlot></span>
      <PowerSelect @onopen={{action "open"}} @search={{action "search"}} @options={{options}} @loadingMessage="Loading..." @searchMessage="No possible options" @searchPlaceholder={{placeholder}} @onchange={{action "change" "items[]" items}} as |item|>
        <YieldSlot @name="option" @params={{block-params item}}>{{yield}}</YieldSlot>
      </PowerSelect>
  </label>
{{#if (gt items.length 0)}}
  <YieldSlot @name="set">{{yield}}</YieldSlot>
{{else}}

{{/if}}