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Using Subscriber Fields in Mailings
Enhance the look and feel of your mailings by using optional fields. These fields add a personal appeal to your mailings. You can create radio buttons, check boxes, text fields, text boxes, and drop downs using your existing subscriber fields.

To include an optional field in your mailing click on the “Personalize” button on the message composition page and select the field to insert. In addition, you can create a sending filter. Filter your sending to a certain group of subscribers (IE: subscribers with the name bob and an optional field being Illinois).