v8.0 (2010)
Inverts the normals associated with the input components.
Note: This command will create user normals for the input components if required.
InvertUserNormals( [InputObjs], [BleedSelection] );  | 	
| Parameter | Type | Description | 
|---|---|---|
| InputObjs | String | 
List of components. 			 Default Value: Currently selected components  | 
	
| BleedSelection | Boolean | 
True to extend edge/polygon selections to include neighboring vertices.			 Default Value: If not specified, the Tweak User Normal tool setting will be used  | 
	
# Create a cube and set the user normals to the inverse of the existing normals
app = Application
app.CreatePrim("Cube", "MeshSurface")
app.InvertUserNormals(None, 0) |