BOTTOM_LEVEL_GLOBAL
Shows the bottom level of a single
part, cast unit, assembly, part of a connection or a pour object by global axis.
BOTTOM_LEVEL_GLOBAL
takes the unit and accuracy from MarkDimensionFormat.dim. You
can modify the settings in MarkDimensionFormat.dim in the
Dimension Properties dialog box in a drawing.
You can use this attribute as a user-defined attribute in part marks and associative notes, and also in reports and templates.