Using the command SET HTTP HEADER, it is possible to set an HTTP cookie.
However, it is only possible to set one cookie at a time. You may find an
occasion where you need to set two or more cookies simultaneously. To
achieve this, you will need to use some JavaScript. As an example:

<SCRIPT LANGUAGE="JavaScript">
<!--
document.cookie = '<!--#4DVAR myCookie-->';
}
// -->

For more information on using 4D & JavaScript, please see the tech note:

https://www.4d.com/support/tips01-711.html