Checks if a group exists, setting the PreviewGroupName property according to the group that is checked.
Namespace: Group
Void Group.CheckIfGroupExists(String value, String propertyId)
http://[ip]:4430/titan/script/2/Group/CheckIfGroupExists?value={string}&propertyId={string}
value ( String ) : The group user number.
propertyId ( String ) : The property id to put the result in.