diff --git a/CHANGELOG.md b/CHANGELOG.md
index 01024d2d..fe55f52d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,11 +5,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.ht
 ml).
 
-## master
-  [1.0.7-beta]
+## master [1.0.7-beta]
 
-## testing
-  [1.0.8-beta]
+## testing [1.0.8-beta]
+- [addend] #159 external document as proof of erase of disk
 
 ## [1.0.7-beta]
 - [addend] #158 support for encrypted snapshots data
diff --git a/ereuse_devicehub/resources/action/__init__.py b/ereuse_devicehub/resources/action/__init__.py
index 5e581cd5..2ee1e0da 100644
--- a/ereuse_devicehub/resources/action/__init__.py
+++ b/ereuse_devicehub/resources/action/__init__.py
@@ -199,6 +199,11 @@ class ToPrepareDef(ActionDef):
     SCHEMA = schemas.ToPrepare
 
 
+class ToErasedDef(ActionDef):
+    VIEW = None
+    SCHEMA = schemas.ToErased
+
+
 class AllocateDef(ActionDef):
     VIEW = AllocateView
     SCHEMA = schemas.Allocate