discourse-custom-wizard/assets/javascripts/discourse/connectors/admin-dashboard-top/custom-wizard-important-notice.js.es6

import { getOwner } from "discourse-common/lib/get-owner";

export default {
  shouldRender(attrs, ctx) {
    return ctx.siteSettings.wizard_important_notices_on_dashboard;
  },

  setupComponent() {
    const controller = getOwner(this).lookup('controller:admin-dashboard');
    const importantNotice = controller.get('customWizardImportantNotice');

    if (importantNotice) {
      this.set('importantNotice', importantNotice);
    }
  }
};