How do I include current date in libemail.so email subject?

In the Rule block, add the following:

set $(DATE) printDate("%d %B %Y", now())
userdata "CURRENT_DATE" $(DATE)

In Action, you can define "%(CURRENT_DATE)" as part of the subject

Under static parameters:

The same can also be used within the email body, under _FORMAT.

***The DATE and CURRENT_DATE variables are user defined.

***The format of the date is defined within the printDate function.

***The userdata definition must be within the rule block's "if" statement.