CMS Made Simple Forums

I want to issue a link to send out by email to one of our registration pages. The correct event is selected within cmsms by passing a session variable.

The address is something like: www.site/index.php/register

How do I pass in a variable to the page from an email?

Outside of cmsms I would use something like this:
How do I do this inside cmsms?

Any ideas greatly received.

You are using pretty URLs so would need to register a route ($this->RegisterRoute) in your module.php page. it would be something like this if you module is named Register:
Then the URL would be like this:
See 'Make your module use clean URLs' on the Wiki:  http://wiki.cmsmadesimple.org/index.php ... ng_Modules