Specifies whether the layer list is evaluated for new layers when added to the drawing or to attached xrefs.
| Type: | Integer | 
| Saved in: | Drawing | 
| Initial value: | 0 | 
The setting is stored in an integer using one of the following values:
|  
			  Value  | 
 
			  Description  | 
|---|---|
|  
			  0  | 
 
			  Off  | 
|  
			  1  | 
 
			  Detects when new xref layers have been added in the drawing  | 
|  
			  2  | 
 
			  Detects when new layers have been added in the drawing and xrefs  |