To add personalize you message, open “Compose Message” form and open lists of contact variables (Recipient Contact Variables, My Contact Variables, and Company Variables). Click inside your message body and then a variable from the list (e.g. {C_FIRSTNAME} {C_LASTNAME}).

When the message is sent out, {C_FIRSTNAME} {C_LASTNAME} will be substituted with first and last names of every recipient from the list (e.g. Ann Smith, Jeff Brown). The picture below illustrates the feature: