Custom properties
 
 
 

Because of type limitations in FBX files, the following conversions are applied.

Exported from Maya Becomes in FBX
Vector VECTOR
Boolean BOOL
Integer INTEGER
String STRING
Enum ENUM
Float REAL
Imported FBX Becomes in Maya
REAL Float
BOOL Boolean
INTEGER Integer
STRING String
VECTOR Vector

The Maya FBX Plug-in supports Extra Attributes (or custom properties) applied to Materials and Transform nodes.