Edit
From the “Edit” tab within Data Mapping, you can edit individual entries. Choose the Edit button to the right of the entry.
When you click Edit an item, you have the same popup and tabs as used for creating the entry. See the New data mapping entry section for descriptions of all elements.
Delete
Click “Delete” to the right of the entry you wish to remove.
Confirm the deletion by typing the word “DELETE” in the pop-up window, then select OK.