Update Material_API.md

rdeioris · web-flow · commit eb0ffb843cfb · 2017-01-14T19:27:18.000+01:00
diff --git a/docs/Material_API.md b/docs/Material_API.md
@@ -74,6 +74,10 @@ You cannot access the property list from a material instance, you need to get it
 
 ```py
 parent_material = material_instance.Parent
+
+for expression in parent_material.Expressions:
+    parameter_name = expression.ParameterName
+    parameter_group = expression.Group
 ```
 
 
