Creates or returns a proxy for the native object - i.e. a new object that represents this object but adds the assembly context defined by the input occurrence.
"splitFaceFeature_var" is a variable referencing a SplitFaceFeature object. | 
        
"splitFaceFeature_var" is a variable referencing a SplitFaceFeature object. | 
        
| Type | Description | 
| SplitFaceFeature | Returns the proxy object or null if this is not the NativeObject. | 
| Name | Type | Description | 
| occurrence | Occurrence | The occurrence that defines the context to create the proxy in. |