Indicates if there are any layers with viewport (VP) property overrides for the current layout viewport.
| Type: | Integer | 
| Saved in: | Drawing | 
| Initial value: | 0 | 
|  
			  Value  | 
 
			  Description  | 
|---|---|
|  
			  0  | 
 
			  Current viewport does not have any associated layer property overrides  | 
|  
			  1  | 
			  Current viewport has associated layer property overrides  |