| Name   | Type   | Use   | Default   | Fixed   | annotation | 
| name | derived by: xs:string | optional   |    |    | | documentation |  | The name of the layer. |  
  | 
| visible | xs:boolean | optional   | true   |    | | documentation |  | If true then all entities on this layer are visible else they are invisible. |  
  | 
| signalName | derived by: xs:string | optional   |    |    | | documentation |  | The signal for the layer. This makes the PCB layer a signal or power layer. |  
  | 
| routeVerical | xs:boolean | optional   | false   |    | | documentation |  | Preferred routing direction is vertical, else it is horizontal. |  
  | 
| fixedColor | xs:boolean | optional   |    | false   | | documentation |  | Is true then all entities are drawn with the same color. |  
  | 
| color | color | optional   | 0,0,0   |    | | documentation |  | The color for fixed color layers. |  
  | 
| electrical | xs:boolean | optional   | true   |    | | documentation |  | If true then this is an electrical layer. |  
  |