'groupname': Parameter(str, "Node group name", max = 50),
'tag_type_id': Parameter (int, "Node tag type id"),
'value' : Parameter(str, "value that the nodegroup definition is based upon"),
'groupname': Parameter(str, "Node group name", max = 50),
'tag_type_id': Parameter (int, "Node tag type id"),
'value' : Parameter(str, "value that the nodegroup definition is based upon"),