The application data for CAMGEOM items:

The following information shows the types of application data
allowed by the objects and the geometry types.
An error code is returned by the functions if a wrong type
of application data is set.

Mill geometry Group:
Part Geometry: Offset
Blank Geometry: None
Check Geometry: None

Mill area Group:
Part Geometry: Offset
Check Geometry: None
Cut area Geometry: None
Wall Geometry: None

Facing Operation:
Part Geometry: None
Check Geometry: None
Cut area Geometry: None
Wall Geometry: None

Cavity Mill Operation:
Part Geometry: Stock, Tolerances
Blank Geometry: Stock, Tolerances
Check Geometry: None

ZLevel Mill Operation:
Part Geometry: Stock, Tolerances
Check Geometry: None
Cut area Geometry: None

Surface Contour Operation:
Part Geometry: Cut Stock, Tolerances, Feedrate
Check Geometry: Cut Stock, Tolerances, Avoidance
Cut area Geometry: None