acceptance_as_validation: on

Hi,

I’m using an acceptance checkbox in a form for the user to accept the terms and conditions and I wan’t to get an error message if it is not ticked. I thought that it could be done using the “acceptance_as_validation: on” switch but it doesn’t work. If it is not ticked the user doesn’t see a error message.

The code for this field looks like this:

<p>[acceptance agb acceptance_as_validation: on] <a href="/agb-fuer-kurse/" target="_blank">Allgemeine Gesch?ftsbedingungen</a> gelesen<br />
[submit class:button "Verbindlich anmelden"]</p>

Thanks Roger