diff --git a/core/include/Variable/Variable.h b/core/include/Variable/Variable.h
index 55ba6c9..d67e115 100644
--- a/core/include/Variable/Variable.h
+++ b/core/include/Variable/Variable.h
@@ -3,6 +3,8 @@
 
 #include <Common/spimpl.h>
 
+#include <QObject>
+
 class IDataSeries;
 class QString;
 
@@ -24,4 +26,7 @@ private:
     spimpl::unique_impl_ptr<VariablePrivate> impl;
 };
 
+// Required for using shared_ptr in signals/slots
+Q_DECLARE_METATYPE(std::shared_ptr<Variable>)
+
 #endif // SCIQLOP_VARIABLE_H
diff --git a/core/include/Visualization/VisualizationController.h b/core/include/Visualization/VisualizationController.h
index 09a53ff..5a34df3 100644
--- a/core/include/Visualization/VisualizationController.h
+++ b/core/include/Visualization/VisualizationController.h
@@ -10,6 +10,7 @@
 Q_DECLARE_LOGGING_CATEGORY(LOG_VisualizationController)
 
 class DataSourceItem;
+class Variable;
 
 /**
  * @brief The VisualizationController class aims to make the link between SciQlop and its plugins.
@@ -25,6 +26,9 @@ public:
     virtual ~VisualizationController();
 
 public slots:
+    /// Slot called when a variable has been created in SciQlop
+    void onVariableCreated(std::shared_ptr<Variable> variable) noexcept;
+
     /// Manage init/end of the controller
     void initialize();
     void finalize();
diff --git a/core/src/Visualization/VisualizationController.cpp b/core/src/Visualization/VisualizationController.cpp
index d87cbee..6e3bcc6 100644
--- a/core/src/Visualization/VisualizationController.cpp
+++ b/core/src/Visualization/VisualizationController.cpp
@@ -1,5 +1,7 @@
 #include <Visualization/VisualizationController.h>
 
+#include <Variable/Variable.h>
+
 #include <QMutex>
 #include <QThread>
 
@@ -27,6 +29,12 @@ VisualizationController::~VisualizationController()
     this->waitForFinish();
 }
 
+void VisualizationController::onVariableCreated(std::shared_ptr<Variable> variable) noexcept
+{
+    /// @todo ALX : make new graph for the variable
+    qCDebug(LOG_VisualizationController()) << "new variable to display";
+}
+
 void VisualizationController::initialize()
 {
     qCDebug(LOG_VisualizationController()) << tr("VisualizationController init")
diff --git a/gui/src/SqpApplication.cpp b/gui/src/SqpApplication.cpp
index 0df84d4..8f2d0fa 100644
--- a/gui/src/SqpApplication.cpp
+++ b/gui/src/SqpApplication.cpp
@@ -3,6 +3,7 @@
 #include <Data/IDataProvider.h>
 #include <DataSource/DataSourceController.h>
 #include <QThread>
+#include <Variable/Variable.h>
 #include <Variable/VariableController.h>
 #include <Visualization/VisualizationController.h>
 
@@ -26,6 +27,12 @@ public:
                 m_VariableController.get(),
                 SLOT(createVariable(const QString &, std::shared_ptr<IDataProvider>)));
 
+        // VariableController <-> VisualizationController
+        qRegisterMetaType<std::shared_ptr<Variable> >();
+        connect(m_VariableController.get(), SIGNAL(variableCreated(std::shared_ptr<Variable>)),
+                m_VisualizationController.get(),
+                SLOT(onVariableCreated(std::shared_ptr<Variable>)));
+
         m_DataSourceController->moveToThread(&m_DataSourceControllerThread);
         m_VariableController->moveToThread(&m_VariableControllerThread);
         m_VisualizationController->moveToThread(&m_VisualizationControllerThread);
@@ -73,7 +80,6 @@ SqpApplication::SqpApplication(int &argc, char **argv)
     connect(&impl->m_VisualizationControllerThread, &QThread::finished,
             impl->m_VisualizationController.get(), &VisualizationController::finalize);
 
-
     impl->m_DataSourceControllerThread.start();
     impl->m_VariableControllerThread.start();
     impl->m_VisualizationControllerThread.start();