| Value | Description |
| ocx:BarSection | A reference to a catalogue bar section. |
| ocx:Bracket | A reference to an instantiated structure part of type Bracket. |
| ocx:Cell | A reference to an instantiated compartment cell. |
| ocx:ConnectionConfiguration | A reference to an instantiated stiffener configuration. |
| ocx:EdgeReinforcement | A reference to an an edge reinforcement. |
| ocx:EndCut | A reference to a stiffener end cut. |
| ocx:FreeEdgeCurve3D | A reference to an instantiated free edge geometry. |
| ocx:Hole2D | A reference to a catalogue 2D hole shape. |
| ocx:Hole2DContour | A reference to a hole/cut-out contour. |
| ocx:Material | A reference to a catalogue material. |
| ocx:OccurrenceGroup | A reference to an occurrence group in a design view. |
| ocx:Panel | A reference to an instantiated structure composition of type Panel. |
| ocx:Pillar | A reference to an instantiated structure part of type Pillar. |
| ocx:Plate | A reference to an instantiated structure part of type Plate. |
| ocx:ReferencePlane | |
| ocx:Seam | A reference to an instantiated structure composition of type Seam. |
| ocx:Stiffener | A reference to an instantiated structure part of type Stiffener. |
| ocx:Surface | A reference to an instantiated surface. |
| ocx:Vessel | A reference to the vessel instance. |