You can use the following send mail task commands in the MODIFYSCRIPT Package Variable task:

TASK(TASKNAME,DESCRIPTION,TASKNAME)

TASK(TASKNAME,MAILTO,)

TASK(TASKNAME,MAILCC,)

TASK(TASKNAME,MAILSUBJECT,)

TASK(TASKNAME,MAILMESSAGE,)

TASK(TASKNAME,MAILATTACHMENTS,)

TASK(TASKNAME,MAILAPPSET,)

TASK(TASKNAME,MAILUSER,)

TASK(TASKNAME,ADDRESULT,0)