Checks if an e-mail address is defined for the current user.
Returns TRUE if an e-mail address is defined for the user.
Returns FALSE if an e-mail address is not defined for the user.
Checks whether the user is logged in and has an e-mail address before performing a function.
<@dynamichtml subscription_action_script@>
function allowSubscription(form)
{
<$if IsLoggedIn$>
<$if IsUserEmailPresent$>
<$else$>
…
}
<@end@>