1) Create a new payment form (or find the form you would like to edit.)
2) Find the Amount section and choose Set Specific Amount(s)
3) Enter your first amount. If you'd like to add a description, type it in the Description field.
4) Click the Add Amount button and enter your next amount along with the optional description.
5) Repeat step 4) for any other amounts you'd like to set.
6) After adding all amounts, if you need to reorder them, click the 3 stacked lines (hamburger) next to the trashcan icon.
7) Hold and drag it into place.
8) When you're finished with your form, click Save or Save & Finish.
9) Your form will now allow payers to choose between the different amounts that you have set.