| Name | Type | Cardinality | Description |
| SingleBracket | ocx:SingleBracket_T | [0, 1] | Double bracket connection. |
| DoubleBracket | DoubleBracket | [0, 1] | A double bracket type connection. The reference to a connected bracket part of a ConnectionConfiguration. For a double bracket connection type, two references must be provided. |
| WebStiffener | ocx:WebStiffener_T | [0, 1] | Connection configuration with one web stiffener with a single bracket connection. |
| WebStiffenerWithSingleBracket | ocx:WebStiffenerWithSingleBracket_T | [0, 1] | Connection configuration with one web stiffener with a single bracket connection. |
| WebStiffenerWithDoubleBracket | WebStiffenerWithDoubleBracket | [0, 1] | Web stiffener with double bracket connection. |
| PlateRef | PlateRef | [0, 1] | A reference to a structure Plate instance. |
| PillarRef | PillarRef | [0, 1] | A reference to a structure Pillar instance. |
| StiffenerRef | StiffenerRef | [0, 1] | A reference to a Stiffener. |
| BracketRef | BracketRef | [0, 1] | A reference to a structure Bracket instance. |
| Point3D | ocx:Point3D_T | [1, 1] | Compact definition of a point in 3D space composed of a sequence of three double values representing X, Y and Z coordinate values all of the same unit given by the unit ID. |
| Description | xs:string | [0, 1] | Contains a description of the component its parent represents. The description is stored as a string. You can use this element for whatever purposes you require. This element can be used inside many OCX XML elements but is optional. |
| CustomProperties | ocx:CustomProperties_T | [0, 1] | Container for custom properties. |