diff --git a/src/application/xqchildmodel.cpp b/src/application/xqchildmodel.cpp
index e97bf05..afd6e07 100644
--- a/src/application/xqchildmodel.cpp
+++ b/src/application/xqchildmodel.cpp
@@ -33,7 +33,7 @@ XQChildModel::XQChildModel( QObject *parent )
 
 //! erzegt den sichtbaren inhalt des models aus einem root-datenknoten.
 
-void XQChildModel::setContent( const XQNodePtr& contentRoot )
+void XQChildModel::addModelData( const XQNodePtr& contentRoot )
 {
 
   // __fix: set object name ??
@@ -59,6 +59,9 @@ void XQChildModel::setContent( const XQNodePtr& contentRoot )
     // wir speichern das parent des datenknoten auch in der
     // section.
     // contentEntry->parent == _contentRoot, aber halt nur weil das model flach ist
+
+    qDebug() << " --- add section ENTRY: " <<  key << " TagName: " << contentEntry->attribute("TagName");
+
     section.setContentRootNode( contentEntry->parent() );
     int newRow = _sections.lastRow(section);
 
@@ -73,6 +76,18 @@ void XQChildModel::setContent( const XQNodePtr& contentRoot )
 
 }
 
+void XQChildModel::addSectionEntry( const QString& key, const XQNodePtr& contentEntry )
+{
+  XQModelSection& section = _sections.at( key );
+  if(section.isValid() )
+  {
+    section.setContentRootNode( contentEntry->parent() );
+    int newRow = _sections.lastRow(section);
+    XQNodePtr sheetNode = section.sheetRootNode();
+    XQItemList list = _itemFactory.makeRow( sheetNode, contentEntry );
+    insertRow( newRow, list);
+  }
+}
 
 //! erzeugt ein adhoc-contextmenu, je nachdem welche aktionen gerade möflich sind.
 
diff --git a/src/application/xqchildmodel.h b/src/application/xqchildmodel.h
index 2e0681c..d98d88e 100644
--- a/src/application/xqchildmodel.h
+++ b/src/application/xqchildmodel.h
@@ -29,7 +29,8 @@ public:
   explicit XQChildModel(QObject *parent = nullptr);
   virtual ~XQChildModel() = default;
 
-  void setContent(const XQNodePtr& contentRoot );
+  void addModelData(const XQNodePtr& contentRoot );
+  void addSectionEntry(const QString& key, const XQNodePtr& contentEntry );
 
 protected:
 
diff --git a/src/application/xqmainwindow.cpp b/src/application/xqmainwindow.cpp
index bb28680..381530c 100644
--- a/src/application/xqmainwindow.cpp
+++ b/src/application/xqmainwindow.cpp
@@ -355,7 +355,7 @@ void XQMainWindow::loadDocument( const QString& fileName )
   childModel->initModel( c_ChildModelName );
 
   // model inhalte laden
-  childModel->setContent( contentRoot->first_child() );
+  childModel->addModelData( contentRoot->first_child() );
 
 
 }
diff --git a/src/items/xqitem.h b/src/items/xqitem.h
index c7dfb91..3ae92cb 100644
--- a/src/items/xqitem.h
+++ b/src/items/xqitem.h
@@ -201,13 +201,13 @@ public:
   void           setData(const QVariant &value, int role ) override;
 
   /*
-  template<class T>
+  template<typename T>
   void setToVariant(T entry, QtExtUserRoles::NTDataRoles role)
   {
     setData(QVariant::fromValue<T>(entry), role);
   }
 
-  template<class T>
+  template<typename T>
   T getFromVariant(QtExtUserRoles::NTDataRoles role)
   {
     return data(role).value<T>();
diff --git a/src/model/xqnode.cpp b/src/model/xqnode.cpp
index 3700eb1..2a87506 100644
--- a/src/model/xqnode.cpp
+++ b/src/model/xqnode.cpp
@@ -79,6 +79,9 @@ bool znode::zpayload<QString>::xstr_is_empty(const QString& entry ) const
 
 //! 'QString' varianten der keystrings.
 
+template<>
+const QString znode::zpayload<QString>::cTagName  = "TagName";
+
 template<>
 const QString znode::zpayload<QString>::cType  = "Type";
 
diff --git a/src/model/xqviewmodel.cpp b/src/model/xqviewmodel.cpp
index 2677d05..04cff4b 100644
--- a/src/model/xqviewmodel.cpp
+++ b/src/model/xqviewmodel.cpp
@@ -98,6 +98,9 @@ void XQViewModel::initModel(const QString& modelName)
         ...
 
    */
+  setObjectName( modelName );
+  qDebug() << " --- initModel: " << objectName();
+
   // model rootnode finden -> <DocumentTreeModel>
   XQNodePtr modelSheet = _itemFactory.findModelSheet(  modelName ); // throws
 
@@ -108,11 +111,9 @@ void XQViewModel::initModel(const QString& modelName)
     const XQNodePtr header = sectionNode->find_child_by_tag_name( c_Header );
     if( header )
     {
-
       XQItemList list = _itemFactory.makeRow( header, nullptr );
       addSection(list,  sectionNode );
     }
-
   }
 }
 
@@ -385,6 +386,9 @@ void XQViewModel::cmdPaste( XQCommand& command )
   // wir pasten das clipboard
   for (auto& entry : _clipBoard )
   {
+
+    // WARUM zwei mal klonen ?
+
     // noch ein clone vom clone erzeugen ...
     XQNodePtr newNode = entry.contentNode->clone(section.contentRootNode() );
     newNode->clone(section.contentRootNode() )->add_me_at( nodePos );
diff --git a/src/nodes/znode.h b/src/nodes/znode.h
index 199034f..06d4403 100644
--- a/src/nodes/znode.h
+++ b/src/nodes/znode.h
@@ -43,16 +43,16 @@ namespace znode
 
 
     // forward declaration of base class zbasic_node ...
-    //template<class str_t>
+    //template<typename str_t>
     //class zbasic_node;
 
     // ... used here for conveniance typedef
-    //template<class str_t>
+    //template<typename str_t>
     //using zshared_node = std::shared_ptr<zbasic_node<str_t>>;
 
 
     //! einfache tree-klasse, besonderheit: der nutzlast-string-type ist templated.
-    template<class str_t>
+    template<typename str_t>
     class zbasic_node : public zid, public zpayload<str_t>, public std::enable_shared_from_this<zbasic_node<str_t>>
     {
 
@@ -400,7 +400,7 @@ namespace znode
       virtual void begin()
       {}
 
-      template<class str_t>
+      template<typename str_t>
       void for_each_node( zbasic_node<str_t>* node );
 
       virtual void end()
diff --git a/src/nodes/znode_factory.h b/src/nodes/znode_factory.h
index aa98748..9c1cb2f 100644
--- a/src/nodes/znode_factory.h
+++ b/src/nodes/znode_factory.h
@@ -40,7 +40,7 @@ model: muss ich wirklich jeden attibute node einzeln angeben?
 */
 namespace znode
 {
-  template<class str_t>
+  template<typename str_t>
   class znode_factory
   {
 
diff --git a/src/nodes/znode_iterator.h b/src/nodes/znode_iterator.h
index 314f642..a13e1ad 100644
--- a/src/nodes/znode_iterator.h
+++ b/src/nodes/znode_iterator.h
@@ -21,7 +21,7 @@
 
 namespace znode
 {
-  template<class T>
+  template<typename T>
   struct znode_iterator
   {
     using iterator_category = std::forward_iterator_tag;
diff --git a/src/nodes/znode_payload.h b/src/nodes/znode_payload.h
index 2253d23..2e1f87b 100644
--- a/src/nodes/znode_payload.h
+++ b/src/nodes/znode_payload.h
@@ -9,7 +9,7 @@
 
 namespace znode
 {
-  template<class str_t>
+  template<typename str_t>
   class zstringmap : public std::map<str_t,str_t>
   {
 
@@ -38,7 +38,7 @@ namespace znode
   
   };
   
-  template<class str_t>
+  template<typename str_t>
   class zpayload
   {
 
@@ -52,7 +52,10 @@ namespace znode
     // __fixme: should this be a vector? or a maptor?
     //using zattributes  = std::map<str_t, zvalue>;
     using zattributes  = zstringmap<str_t>;
+    using callmap_ref  = std::map<str_t, str_cref (zpayload<str_t>::*)() const>;
+    using callmap_ptr  = std::map<str_t, str_ptr  (zpayload<str_t>::*)() const>;
 
+    static const str_t cTagName; // = "TagName";
     static const str_t cType;//  = "Type";
     static const str_t cName;//  = "Name";
     static const str_t cValue;// = "Value";
@@ -188,6 +191,22 @@ namespace znode
       return true;
     }
 
+    const zvalue& fixed_attribute(str_cref key ) const
+    {
+
+      static callmap_ref s_fixed_attributes
+      {
+        { cTagName, &zpayload::tag_name },
+        { cValue,   &zpayload::tag_value }
+      };
+
+      auto it = s_fixed_attributes.find(key);
+      if (it != s_fixed_attributes.end())
+        return (this->*(it->second))();
+
+      return s_dummy_value;
+    }
+
     const zvalue& attribute(str_cref key ) const
     {
       if( !xstr_is_empty( key ) )
@@ -201,7 +220,24 @@ namespace znode
           return result;
         }
       }
-      return s_dummy_value;
+      //return s_dummy_value;
+      return fixed_attribute( key );
+    }
+
+
+    const zvalue& fixed_attribute_ptr(str_cref key ) const
+    {
+      static callmap_ptr s_fixed_attributes_ptr
+      {
+        { cTagName, &zpayload<str_t>::tag_name_ptr },
+        { cValue,   &zpayload<str_t>::tag_value_ptr }
+      };
+
+      auto it = s_fixed_attributes_ptr.find(key);
+      if (it != s_fixed_attributes_ptr.end() )
+        (this->*(it->second))();
+
+      return &s_dummy_value;
     }
 
     const zvalue* attribute_ptr(str_cref key ) const
@@ -217,6 +253,7 @@ namespace znode
           return &result;
         }
       }
+      //return fixed_attribute_ptr( key );
       return &s_dummy_value;
     }
 
@@ -259,7 +296,7 @@ namespace znode
   };
 
   // init statics
-  template<class str_t>
+  template<typename str_t>
   str_t zpayload<str_t>::s_dummy_value;
 
 }
diff --git a/src/nodes/znode_vector.h b/src/nodes/znode_vector.h
index c6179b6..34ab96f 100644
--- a/src/nodes/znode_vector.h
+++ b/src/nodes/znode_vector.h
@@ -6,7 +6,7 @@
 
 
 //using znode_vector  = std::vector<zplain_node*>;
-template<class T>
+template<typename T>
 class znode_vector : public std::vector<T*>
 {
 
diff --git a/src/util/xqmaptor.h b/src/util/xqmaptor.h
index 41569b4..5435868 100644
--- a/src/util/xqmaptor.h
+++ b/src/util/xqmaptor.h
@@ -24,7 +24,7 @@
  * items can be accessed via string keys and int indices.
  */
 
-template<class T>
+template<typename T>
 class XQMaptor
 {
 
diff --git a/src/util/xqptrmaptor.h b/src/util/xqptrmaptor.h
index d35a139..e8ee872 100644
--- a/src/util/xqptrmaptor.h
+++ b/src/util/xqptrmaptor.h
@@ -21,7 +21,7 @@
  * @brief A XQMaptor implementation for pointers to to data entries.
  */
 
-template<class T>
+template<typename T>
 class  XQPtrMaptor : public XQMaptor<T*>
 {
 
diff --git a/xml/modelsheets.xml b/xml/modelsheets.xml
index f92974c..1c5dbf5 100644
--- a/xml/modelsheets.xml
+++ b/xml/modelsheets.xml
@@ -59,8 +59,8 @@
 
 <DocumentDetailsModel>
 	
-	<Section ContentType="Panel" firz="farz">
-		<Header Marker="Panel">
+	<Section ContentType="Panel" >
+		<Header>
 			<PanelID Caption="Panel" ItemType="HeaderType" />
 			<PanelName Caption="Name" ItemType="HeaderType" Icon="BrowserStop" />
 			<Manufacturer Caption="Manufacturer" ItemType="HeaderType" />
@@ -71,7 +71,7 @@
 			<MaxVolt Caption="max. Volt" ItemType="HeaderType" />
 			<MaxAmpere Caption="max. Ampere" ItemType="HeaderType" />
 		</Header>
-		<ModelSheet Marker="Panel">
+		<ModelSheet>
 			<!-- 'Icon' überschreibt den default wert im ItemType und erzeugt damit einen neuen ItemType-->
 			<PanelID ItemType="PlainType" Icon="DesktopIcon"/>
 			<PanelName ItemType="PlainType" Icon="BrowserStop"/>
@@ -87,8 +87,8 @@
 	</Section>
 	
 	
-<Section ContentType="Inverter" firz="farz"> 
-		<Header Marker="Inverter">
+	<Section ContentType="Inverter" > 
+		<Header >
 			<InverterID Caption="Inverter" ItemType="HeaderType" />
 			<InverterName Caption="Name" ItemType="HeaderType" />
 			<Manufacturer Caption="Manufacturer" ItemType="HeaderType" />
@@ -97,7 +97,7 @@
 			<NumStrings Caption="Strings" ItemType="HeaderType" />		
 			<Weight Caption="Weight" ItemType="HeaderType" />
 		</Header>
-		<ModelSheet Marker="Inverter">
+		<ModelSheet>
 			<InverterID Caption="Inverter" ItemType="ValueType" />
 			<InverterName Caption="Name" ItemType="ValueType" />
 			<Manufacturer Caption="Manufacturer" ItemType="ValueType" />
@@ -108,8 +108,8 @@
 		</ModelSheet>
 	</Section>
 	
-	<Section ContentType="Battery" firz="farz">
-		<Header Marker="Battery">			
+	<Section ContentType="Battery" >
+		<Header>			
 			<BatteryID Caption="Name" ItemType="HeaderType" />
 			<BatteryName Caption="Battery" ItemType="HeaderType" />
 			<Manufacturer Caption="Manufacturer" ItemType="HeaderType" />
@@ -118,7 +118,7 @@
 			<MaxCurrent Caption="max. Current" ItemType="HeaderType" />
 			<MaxVolt Caption="max. Volt" ItemType="HeaderType" />		
 		</Header>
-		<ModelSheet Marker="Bettery">
+		<ModelSheet>
 			<BatteryID Caption="Battery" ItemType="ValueType" />
 			<BatteryName Caption="Name" ItemType="ValueType" />
 			<Manufacturer Caption="Manufacturer" ItemType="ValueType" />
@@ -129,7 +129,4 @@
 		</ModelSheet>
 	</Section>
 
-
-	
-	
 </DocumentDetailsModel>
\ No newline at end of file