Marketing codes are used to track the source of the promotion or discount in order to measure the impact of a particular campaign.

From the SysManager > Activities > Financial Lists > Specials > New special/Edit special > General tab, click the check box next to Marketing code required to apply this special and click Save.

Once a special has been applied, a dialog box prompts the operator to choose from a list of marketing codes set up in SysManager > Activities > Item/Sales Lists > Marketing Codes. The operator is forced to choose one in order to finalize the sale.