1.) Select the endowment category you want to give to, and then select the particular endowment when it appears.
2.) Select an amount to give or type in a desired amount (select "Other").
3.) Decide if you want to make a one time donation, or if you want to give that amount on a recurring basis. Recurring giving requires that you create an account first.
To see a full list of the available endowments and to read more about them click here.