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You can now store the payment method (Credit Card, Direct Debit, Payment in Advance, Invoice) in the account record. Depending on who the debtor is for you media campaign this information automatically transfers into your media campaign just like the Payment Interval, Start and Due Date.
Please notice that the field is using a Picklist Value Set 7.2.9.1 Edit Picklist Values Sets (Global Picklists) and the values need to be active for the respective record type. If not working contact your administrator.