{% from "components/uk_components/inset-text/macro.njk" import govukInsetText %}

<h2 class="heading-medium">
  Optional content
</h2>
<p class="govuk-body">
  Use double brackets and ‘??’ to define optional content.
</p>
<p class="bottom-gutter-1-3">
  For example if you only want to show something to people who are under
  18:
</p>
{{ govukInsetText({
  "text": "((under18??Please get your application signed by a parent or
  guardian.))",
  "classes": "govuk-!-margin-top-0 govuk-!-margin-bottom-3"})
}}
<p class="govuk-body">
  For each person you send this message to, specify ‘yes’ or ‘no’ to
  show or hide this content.
</p>