diff --git a/genericcore.cpp b/genericcore.cpp
index e757136..707037f 100644
--- a/genericcore.cpp
+++ b/genericcore.cpp
@@ -142,16 +142,15 @@ bool GenericCore::isSyncServerSetup() const {
   }
 }
 
-void GenericCore::onSendItemTriggered(const int row) {
-  // NEXT gather item values from model to send to server
-  m_serverCommunicator->postItems();
+void GenericCore::onSendItemTriggered(const QByteArray& jsonData) {
+  m_serverCommunicator->postItems(jsonData);
 }
 
-void GenericCore::onItemsFetched(const QByteArray jsonDoc) {
+void GenericCore::onItemsFetched(const QByteArray jsonData) {
   emit displayStatusMessage("New items fetched.");
   // TODO ? check compability of JSON structure beforehand?
   // TODO check if item already exists?
-  m_mainModel->appendItems(jsonDoc);
+  m_mainModel->appendItems(jsonData);
 }
 
 void GenericCore::onItemsFetchFailure(const QString errorString) {
diff --git a/genericcore.h b/genericcore.h
index 8e4e8b3..9fc1e2a 100644
--- a/genericcore.h
+++ b/genericcore.h
@@ -36,8 +36,8 @@ class GenericCore : public QObject {
   bool isSyncServerSetup() const;
 
  public slots:
-  void onSendItemTriggered(const int row);
-  void onItemsFetched(const QByteArray jsonDoc);
+  void onSendItemTriggered(const QByteArray& jsonData);
+  void onItemsFetched(const QByteArray jsonData);
   void onItemsFetchFailure(const QString errorString);
   void onPostRequestSuccessful(const QString message);
   void onPostRequestFailure(const QString errorString);
@@ -45,7 +45,7 @@ class GenericCore : public QObject {
  signals:
   void displayStatusMessage(QString message);
   void fetchItemsFromServer();
-  void sendItemToServer(int row);
+  void sendItemToServer(const QByteArray& jsonData);
 
  private:
   QUndoStack* m_modelUndoStack;
diff --git a/model/generalsortfiltermodel.cpp b/model/generalsortfiltermodel.cpp
index 0b1133e..75784e5 100644
--- a/model/generalsortfiltermodel.cpp
+++ b/model/generalsortfiltermodel.cpp
@@ -23,6 +23,11 @@ QItemSelection GeneralSortFilterModel::findItems(const QString& text) const {
   return result;
 }
 
+QByteArray GeneralSortFilterModel::jsonDataForServer(const QModelIndex& proxyIndex) {
+  const QModelIndex sourceIndex = mapToSource(proxyIndex);
+  return m_tableModel->jsonDataForServer(sourceIndex);
+}
+
 void GeneralSortFilterModel::appendItems(const QByteArray& jsonDoc) {
   m_tableModel->appendItems(jsonDoc);
 }
diff --git a/model/generalsortfiltermodel.h b/model/generalsortfiltermodel.h
index 3fa4a8b..9afdabc 100644
--- a/model/generalsortfiltermodel.h
+++ b/model/generalsortfiltermodel.h
@@ -18,6 +18,8 @@ class GeneralSortFilterModel : public QSortFilterProxyModel {
    */
   QItemSelection findItems(const QString& text) const;
 
+  QByteArray jsonDataForServer(const QModelIndex& proxyIndex);
+
  public slots:
   void appendItems(const QByteArray& jsonDoc);
   bool removeRows(int firstRow, int nRows, const QModelIndex& parentIndex = QModelIndex()) override;
diff --git a/model/metadata.h b/model/metadata.h
index 20a5e06..ce42c60 100644
--- a/model/metadata.h
+++ b/model/metadata.h
@@ -15,9 +15,11 @@ enum UserRoles {
   InfoRole,
   AmountRole,
   FactorRole,
-  /// helper roles
+  /// Non user facing
+  IdRole,
+  /// read only roles
   ToStringRole,
-  IdRole
+  ToJsonRole
 };
 
 static UserRoles DEFAULT_ROLE = NameRole;
diff --git a/model/tablemodel.cpp b/model/tablemodel.cpp
index f11e3b3..6d97e03 100644
--- a/model/tablemodel.cpp
+++ b/model/tablemodel.cpp
@@ -86,6 +86,8 @@ QVariant TableModel::data(const QModelIndex& index, int role) const {
       return m_items.at(row)->data(role);
     case ToStringRole:
       return m_items.at(row)->toString();
+    case ToJsonRole:
+      return m_items.at(row)->toJsonObject();
   }
 
   return QVariant();
@@ -169,6 +171,15 @@ QList<QStringList> TableModel::getItemsAsStringLists() const {
   return result;
 }
 
+// TODO use item selection as parameter to wrap multiple items into JSON data structure
+QByteArray TableModel::jsonDataForServer(const QModelIndex& currentIndex) const {
+  const QJsonObject itemObject = data(currentIndex, ToJsonRole).toJsonObject();
+  QJsonObject rootObject;
+  rootObject.insert("item", itemObject);
+  const QJsonDocument jsonDoc(rootObject);
+  return jsonDoc.toJson(QJsonDocument::Compact);
+}
+
 bool TableModel::removeRows(int firstRow, int nRows, const QModelIndex& parentIndex) {
   if (parentIndex != QModelIndex()) {
     qWarning() << "Removing of child rows is not supported yet!";
diff --git a/model/tablemodel.h b/model/tablemodel.h
index 4bd2dcd..4017d55 100644
--- a/model/tablemodel.h
+++ b/model/tablemodel.h
@@ -38,6 +38,8 @@ class TableModel : public QAbstractTableModel {
   QJsonDocument getAllItemsAsJsonDoc() const;
   QList<QStringList> getItemsAsStringLists() const;
 
+  QByteArray jsonDataForServer(const QModelIndex& currentIndex) const;
+
  public slots:
   // bool insertRows(int position, int rows, const QModelIndex& parentIndex = QModelIndex())
   // override;
diff --git a/network/servercommunicator.cpp b/network/servercommunicator.cpp
index c4fce47..feb41ea 100644
--- a/network/servercommunicator.cpp
+++ b/network/servercommunicator.cpp
@@ -60,20 +60,7 @@ void ServerCommunicator::fetchItems() {
   });
 }
 
-void ServerCommunicator::postItems() {
-  QJsonObject itemObject;
-  itemObject["name"]        = "Post test 1";
-  itemObject["description"] = "Post description 1";
-  itemObject["info"]        = "Post info 1";
-  itemObject["amount"]      = 1;
-  itemObject["factor"]      = 5.3;
-
-  QJsonObject rootObject;
-  rootObject.insert("item", itemObject);
-
-  QJsonDocument jsonDoc(rootObject);
-  QByteArray jsonData = jsonDoc.toJson();
-
+void ServerCommunicator::postItems(const QByteArray& jsonData) {
   QNetworkReply* reply = m_restManager->post(m_serviceApi->createRequest(ROUTE_ITEMS), jsonData);
 
   QObject::connect(reply, &QNetworkReply::finished, [=]() {
diff --git a/network/servercommunicator.h b/network/servercommunicator.h
index 73ac5f4..257a4c8 100644
--- a/network/servercommunicator.h
+++ b/network/servercommunicator.h
@@ -18,7 +18,8 @@ class ServerCommunicator : public QObject {
 
  public slots:
   void fetchItems();
-  void postItems();  /// NEXT add item(s) as argument;
+  void postItems(const QByteArray& jsonData);
+  // NEXT void deleteItems(QList<QString> idList)
 
  signals:
   void urlChanged();