diff --git a/VRAPoten-API.md b/VRAPoten-API.md
index ab1c60f..360e72a 100644
--- a/VRAPoten-API.md
+++ b/VRAPoten-API.md
@@ -79,13 +79,15 @@ Response 404 Item not found
 There are some optional task attribute input parameters for greater flexibility.
 
 * **countPerArea**  
-Allows you to specify if spacing in cm needs to be calculated to count per area in m2.
+ * "countPerArea" Allows you to specify if spacing in cm needs to be calculated to count per area in m2.
+ * "useShadow" Use shadow map if available.
 
-default is false
+defaults are false
 
 ```javascript
 {
     "countPerArea": true,
+    "useShadow": true
 }
 ```