The Add Operation dialog enables you to add a new data service operation. There are two choices from pull-down menus: Visibility (public is selected) and Kind (read is selected. There is a field for you to specify the name of the operation. In the Parameters section, there are four columns: Name, Type, Kind, and Occurrence. There is a browse button in the Type column. Four buttons appear on the right side of the Parameters matrix: Add, Clear, Up, and Down. There are two Options: Primary (selected) and Empty function body.