foundryvtt-reve-de-dragon/templates/settings/system-compendiums.html

<form autocomplete="off" onsubmit="event.preventDefault();">
  <ul>
    {{#each systemCompendiums as |definition key|}}
    <li class="flexrow">
      <label>{{definition.label}}</label>
      <select data-dtype="String" class="system-compendium-setting flex-grow-2" data-compendium="{{definition.compendium}}" >        
        {{#select definition.value}}
        {{#each @root.availableCompendiums as |available key|}}
        {{#if (eq available.type definition.type)}}
        <option value="{{available.name}}">{{available.path }}</option>
        {{/if}}
        {{/each}}
        {{/select}}
      </select>
    </li>
    {{/each}}
  </ul>
</form>