diff --git a/src/App/PropertyContainer.cpp b/src/App/PropertyContainer.cpp
index bc89e5a9b..07a59b135 100644
--- a/src/App/PropertyContainer.cpp
+++ b/src/App/PropertyContainer.cpp
@@ -103,6 +103,16 @@ short PropertyContainer::getPropertyType(const char *name) const
     return getPropertyData().getType(this,name);
 }
 
+void PropertyContainer::setPropertyType(const Property* prop, short attr)
+{
+    getPropertyData().setType(this,prop,attr);
+}
+
+void PropertyContainer::setPropertyType(const char *name, short attr)
+{
+    getPropertyData().setType(this,name,attr);
+}
+
 const char* PropertyContainer::getPropertyGroup(const Property* prop) const
 {
     return getPropertyData().getGroup(this,prop);
@@ -359,6 +369,22 @@ short PropertyData::getType(const PropertyContainer *container,const char* name)
     return 0;
 }
 
+void PropertyData::setType(const PropertyContainer *container,const Property* prop, short attr) const
+{
+  const PropertyData::PropertySpec* Spec = findProperty(container,prop);
+
+  if (Spec)
+      const_cast< PropertyData::PropertySpec*>(Spec)->Type = attr;
+}
+
+void PropertyData::setType(const PropertyContainer *container,const char* name, short attr) const
+{
+  const PropertyData::PropertySpec* Spec = findProperty(container,name);
+
+  if (Spec)
+    const_cast< PropertyData::PropertySpec*>(Spec)->Type = attr;
+}
+
 const char* PropertyData::getGroup(const PropertyContainer *container,const Property* prop) const
 {
   const PropertyData::PropertySpec* Spec = findProperty(container,prop);
diff --git a/src/App/PropertyContainer.h b/src/App/PropertyContainer.h
index e81ba1de5..88419ce3e 100644
--- a/src/App/PropertyContainer.h
+++ b/src/App/PropertyContainer.h
@@ -70,6 +70,8 @@ struct AppExport PropertyData
   short       getType         (const PropertyContainer *container,const char* name)     const;
   const char* getGroup        (const PropertyContainer *container,const char* name)     const;
   const char* getGroup        (const PropertyContainer *container,const Property* prop) const;
+  void        setType         (const PropertyContainer *container,const Property* prop, short) const;
+  void        setType         (const PropertyContainer *container,const char*     name, short) const;
   const char* getDocumentation(const PropertyContainer *container,const char* name)     const;
   const char* getDocumentation(const PropertyContainer *container,const Property* prop) const;
 
@@ -116,6 +118,10 @@ public:
   virtual short getPropertyType(const Property* prop) const;
   /// get the Type of a named Property
   virtual short getPropertyType(const char *name) const;
+  /// set the Type of a Property
+  virtual void setPropertyType(const Property* prop, short);
+  /// set the Type of a named Property
+  virtual void setPropertyType(const char *name, short);
   /// get the Group of a Property
   virtual const char* getPropertyGroup(const Property* prop) const;
   /// get the Group of a named Property
@@ -218,7 +224,7 @@ void _class_::init(void){\
   initSubclass(_class_::classTypeId, #_class_ , #_parentclass_, &(_class_::create) ); \
   _class_::propertyData.parentPropertyData = _parentclass_::getPropertyDataPtr();\
 }
-
+
 #define TYPESYSTEM_SOURCE_TEMPLATE(_class_) \
 template<> Base::Type _class_::getClassTypeId(void) { return _class_::classTypeId; } \
 template<> Base::Type _class_::getTypeId(void) const { return _class_::classTypeId; } \
@@ -226,7 +232,7 @@ template<> Base::Type _class_::classTypeId = Base::Type::badType();  \
 template<> void * _class_::create(void){\
    return new _class_ ();\
 }
-
+
 #define PROPERTY_SOURCE_TEMPLATE(_class_, _parentclass_) \
 TYPESYSTEM_SOURCE_TEMPLATE(_class_);\
 template<> const App::PropertyData * _class_::getPropertyDataPtr(void){return &propertyData;} \
diff --git a/src/App/PropertyContainerPy.xml b/src/App/PropertyContainerPy.xml
index 594ed4eb0..d982ab6dc 100644
--- a/src/App/PropertyContainerPy.xml
+++ b/src/App/PropertyContainerPy.xml
@@ -23,7 +23,12 @@
 			  <UserDocu>Return the type of a named property. This can be (Hidden,ReadOnly,Output) or any combination. </UserDocu>
 		  </Documentation>
 	  </Methode>
-	  <Methode Name="getGroupOfProperty">
+      <Methode Name="setTypeOfProperty">
+            <Documentation>
+                <UserDocu>Set the type of a named property. This can be (Hidden,ReadOnly,Output) or any combination. </UserDocu>
+            </Documentation>
+        </Methode>
+      <Methode Name="getGroupOfProperty">
 		  <Documentation>
 			  <UserDocu>Return the name of the group which the property belongs to in this class. The properties sorted in differnt named groups for convenience.</UserDocu>
 		  </Documentation>
@@ -41,4 +46,4 @@
     </Attribute>
     <CustomAttributes />
   </PythonExport>
-</GenerateModel>
+</GenerateModel>
diff --git a/src/App/PropertyContainerPyImp.cpp b/src/App/PropertyContainerPyImp.cpp
index f8816efa6..9499bccc7 100644
--- a/src/App/PropertyContainerPyImp.cpp
+++ b/src/App/PropertyContainerPyImp.cpp
@@ -78,6 +78,17 @@ PyObject*  PropertyContainerPy::getTypeOfProperty(PyObject *args)
     return Py::new_reference_to(ret);
 }
 
+PyObject*  PropertyContainerPy::setTypeOfProperty(PyObject *args)
+{
+    char* name;
+    short type;
+    if (!PyArg_ParseTuple(args, "sh", &name, &type))     // convert args: Python->C
+        return NULL;                             // NULL triggers exception
+
+    getPropertyContainerPtr()->setPropertyType(name, type);
+    Py_Return;
+}
+
 PyObject*  PropertyContainerPy::getGroupOfProperty(PyObject *args)
 {
     char *pstr;