Defines the subject line of a workflow e-mail notification.
If no subject line is specified, the e-mail will use the default subject for the type of notification (review, reject, or workflow started).
Idoc Script can be included in the subject string.
Returns the subject line as a string.
Notifies the original author with the subject line "Content ID has been released":
<$wfMailSubject="File <$dDocName$> has been released"$> <$wfNotify(dDocAuthor, "user")$>