If the Supporters wish to edit the item on their contribution, you can adjust the item for them through the Contribution Page.
Keep in mind that the function is designed to replace an item with the same price. The price CANNOT be adjusted or refunded at the item level. If you wish to adjust the price, you must perform a refund. This feature will not adjust the inventory.
Go to Contributions > All Contributions along the left navigation menu.
2. Select the contribution you wish to edit.
3. Click Edit beside the Item information.
4. Adjust the item by searching your existing items on Givecloud. Keep in mind that the function is designed to replace an item with the same price.