Making the connection.
Find the Campaign for the Giving Form you would like to update designations for, and Edit the Campaign.
Add the designations to the campaigns list and click Save.
Then you will Edit the Giving form and open the Designations section in the Element Library. Choose the designations that you would like donors to be able to select from the Select Designations dropdown.
Once more than one designation is added to the form, you will see the form field appear on the Giving form and you can locate that anywhere you like on the form. Yes, once this form field is added, donors will have the ability to add more than one designation for their gift.