Basic types in Inventor begin with the letters Sb (for scene basic; see the next section, Section 2.3, “Scene Basic Types”). For example:

All other classes in Inventor are prefixed with the letters So (for scene object). For example:

Methods and variables begin with a lowercase letter. Each word within a class, method, or variable name begins with an uppercase letter. For example:

Enumerated type values are in UPPERCASE. For example: