The following group codes apply to point entities.
Point group codes
Group code
Description
100
Subclass marker (AcDbPoint)
10
Point location (in WCS)
DXF: X value; APP: 3D point
20, 30
DXF: Y and Z values of point location (in WCS)
39
Thickness (optional; default = 0)
210
Extrusion direction (optional; default = 0, 0, 1)
DXF: X value; APP: 3D vector
220, 230
DXF: Y and Z values of extrusion direction (optional)
50
Angle of the X axis for the UCS in effect when the point was drawn (optional, default = 0); used when PDMODE is nonzero