discourse-custom-wizard/assets/javascripts/discourse/templates/admin-wizards-custom-fields.hbs

<div class="admin-wizard-controls">
  <h3>{{i18n 'admin.wizard.custom_field.nav_label'}}</h3>
    
  <div class="buttons">
    {{d-button
      label="admin.wizard.custom_field.add"
      icon="plus"
      action="addField"}}
  </div>
</div>

{{wizard-message
  key=messageKey
  opts=messageOpts
  type=messageType
  url=documentationUrl
  component='custom_fields'}}

<div class="admin-wizard-container">
  {{#if customFields}}
    <table>
      <tr>
        {{#each fieldKeys as |key|}}
          <th>{{i18n (concat "admin.wizard.custom_field." key ".label")}}</th>
        {{/each}}
        <th></th>
      </tr>
      {{#each customFields as |field|}}
        {{custom-field-input
          field=field
          removeField=(action 'removeField')
          saveField=(action 'saveField')}}
      {{/each}}
    </table>
  {{/if}}
</div>