diff --git a/InstructorsAndTrainees/tasks/ammtaskswidget.cpp b/InstructorsAndTrainees/tasks/ammtaskswidget.cpp
index a561561..f80f14d 100644
--- a/InstructorsAndTrainees/tasks/ammtaskswidget.cpp
+++ b/InstructorsAndTrainees/tasks/ammtaskswidget.cpp
@@ -153,13 +153,14 @@ void AMMtasksWidget::preparationTreeWidget()
 
     treeWidget->setColumnWidth(ColumnsTree::clmn_ID, 80);
     treeWidget->setColumnWidth(ColumnsTree::clmn_PMorDM, 900);
+    treeWidget->setColumnWidth(ColumnsTree::clmn_code, 200);
 
     //treeWidget->setColumnHidden(ColumnsTree::clmn_ID, true);
 }
 
 void AMMtasksWidget::reSetHeadTreeWidget()
 {
-    QStringList listHeaders = {tr("PM/DM"), tr("ID")};
+    QStringList listHeaders = {tr("PM/DM"), tr("Code"), tr("ID")};
     treeWidget->setHeaderLabels(listHeaders);
 }
 
diff --git a/InstructorsAndTrainees/tasks/ammtaskswidget.h b/InstructorsAndTrainees/tasks/ammtaskswidget.h
index 73f8fa1..71772e0 100644
--- a/InstructorsAndTrainees/tasks/ammtaskswidget.h
+++ b/InstructorsAndTrainees/tasks/ammtaskswidget.h
@@ -16,11 +16,8 @@ class AMMtasksWidget : public QWidget
 {
     Q_OBJECT
 
-private:
-    enum ColumnsTree{
-        clmn_PMorDM = 0,
-        clmn_ID
-    };
+public:
+
 
 public:
     explicit AMMtasksWidget(ConnectorToServer* connectorToServer, QWidget *parent = nullptr);
diff --git a/InstructorsAndTrainees/tasks/tasktreepreparation.cpp b/InstructorsAndTrainees/tasks/tasktreepreparation.cpp
index e749139..17a7200 100644
--- a/InstructorsAndTrainees/tasks/tasktreepreparation.cpp
+++ b/InstructorsAndTrainees/tasks/tasktreepreparation.cpp
@@ -2,6 +2,7 @@
 #include <QDebug>
 #include "tasktreepreparation.h"
 
+
 TaskTreePreparation::TaskTreePreparation(QObject *parent) :
     QObject(parent),
     listAllModules(nullptr)
@@ -18,8 +19,9 @@ QTreeWidgetItem *TaskTreePreparation::addModuleToTreeWidget(Module *module, QTre
 {
     QTreeWidgetItem* itemModule = nullptr;
 
-    QString text;
+    QString text = "";
     QString ID = QString::number(module->getID());
+    QString code = "";
 
     itemModule = new QTreeWidgetItem();
 
@@ -30,6 +32,7 @@ QTreeWidgetItem *TaskTreePreparation::addModuleToTreeWidget(Module *module, QTre
     {
         PM* PMmodul = static_cast<PM*>(module);
         text = PMmodul->getLangStructRus().title;
+        code = PMmodul->pmCode();
 
         for(Module* module : PMmodul->getListChildModules())
         {
@@ -40,14 +43,16 @@ QTreeWidgetItem *TaskTreePreparation::addModuleToTreeWidget(Module *module, QTre
     {
         DM* DMmodul = static_cast<DM*>(module);
         text = DMmodul->getLangStructRus().techName;
+        code = DMmodul->dmCode();
 
         //itemModule->setFlags(itemModule->flags() | Qt::ItemIsUserCheckable);
         //itemModule->setCheckState(0, Qt::Checked);
         itemModule->setIcon(0, QIcon(":/resources/icons/procedure.png"));
     }
 
-    itemModule->setText(0, text);
-    itemModule->setText(1, ID);
+    itemModule->setText(ColumnsTree::clmn_PMorDM, text);
+    itemModule->setText(ColumnsTree::clmn_code, code);
+    itemModule->setText(ColumnsTree::clmn_ID, ID);
 
     return itemModule;
 }
diff --git a/InstructorsAndTrainees/tasks/tasktreepreparation.h b/InstructorsAndTrainees/tasks/tasktreepreparation.h
index 1f9bc31..c6bdbd2 100644
--- a/InstructorsAndTrainees/tasks/tasktreepreparation.h
+++ b/InstructorsAndTrainees/tasks/tasktreepreparation.h
@@ -6,6 +6,12 @@
 #include <QDomElement>
 #include "module.h"
 
+enum ColumnsTree{
+    clmn_PMorDM = 0,
+    clmn_code,
+    clmn_ID
+};
+
 class TaskTreePreparation : public QObject
 {
     Q_OBJECT