1 .. |group_addition.icon| image:: images/group_addition.png
6 Group addition produces a union of all the elements of the selected groups.
7 To create a Group Addition in the active part:
9 #. select in the Main Menu *Features - > Group Addition* item or
10 #. click |group_addition.icon| **Group Addition** button in the toolbar:
12 The following property panel appears.
14 .. image:: images/group_addition_property_panel.png
18 Create a group addition operation
22 - **Name** defines the name of the group, by default, it is **GroupAddition_n**.
23 - The list of selected groups of the same type. Multiple selection can be done manually in OCC 3D Viewer by mouse click with Shift button pressed or by rectangle selection. To delete entities from the list, select them and call pop-up menu *Delete* item.
25 Note, that operation is valid only for the groups of the same type.
29 .. py:function:: model.addGroupAddition(Part_1_doc,
30 [model.selection("COMPOUND", "Group_1"), model.selection("COMPOUND", "Group_2")])
32 :param part: The current part object
33 :param list: A list of selected groups
34 :return: Created group.
37 **See Also** a sample TUI Script of :ref:`tui_create_group_addition` operation.