Groups are one of the constraints that can be defined when determining the controls to be selected in an Optimization.
When optimizing, groups can be defined to assure that one of the following four relationships exist among the controls in a group:
- At most one control in the group will be selected (that is no control or one control in the group will be selected)
- Exactly one control in the group will be selected
- At least one control in the group will be selected
- Either all or none
Click 
to add a new group constraint.
Enter the group constraint name and select from the group type pull-down menu.
Click OK.
The added group will be displayed on the right:
You can add controls to be a member of the group by selecting from the controls at the left and then clicking the 
You can then remove controls from the group by selecting them from the right side list and then clicking the 
