How do I add, update or remove items from the list?

If you want to add a item:
1. Click the button at the bottom of the list.
2. After entering the details, click the Save button to commit your changes or click the Cancel button to lose any changes.
If you want to update a item:
1. Double click the item you want to update.
2. The Update Item page will then load with the details for that item, after updating the details, click the Save button to commit your changes or click the Cancel button to lose any changes.
If you want to delete item(s):
1. Hold down the Command key and single-click on multiple items.
  
  or
  
  The Shift key lets you select a group of items that are contiguous, or next to each other in the list. Single-click on the first item you want to select in a list. Then hold down the Shift key and click on the last item you want in the list. Everything between the two clicks will be selected.
2. To complete deleting the selected rows, click the button at the bottom of the list.