"Operation groups" Tab (Assign Cost Group)
In this tab you have to select an operation group that is already defined. This means that this operation is assigned to the operation group you selected in this tab. In turn, the operation group is assigned to the device.
1.Highlight the desired operation group in the "Available operation groups" section and then click the "right" arrow.
The previously highlighted operation group is now in the "Assigned operation groups" section.