diff --git a/core/include/DataSource/DataSourceController.h b/core/include/DataSource/DataSourceController.h
index 4393814..ef886ab 100644
--- a/core/include/DataSource/DataSourceController.h
+++ b/core/include/DataSource/DataSourceController.h
@@ -9,6 +9,8 @@
 
 Q_DECLARE_LOGGING_CATEGORY(LOG_DataSourceController)
 
+class DataSourceItem;
+
 /**
  * @brief The DataSourceController class aims to make the link between SciQlop and its plugins. This
  * is the intermediate class that SciQlop has to use in the way to connect a data source. Please
@@ -30,11 +32,25 @@ public:
      */
     QUuid registerDataSource(const QString &dataSourceName) noexcept;
 
+    /**
+     * Sets the structure of a data source. The controller takes ownership of the structure.
+     * @param dataSourceUid the unique id with which the data source has been registered into the
+     * controller. If it is invalid, the method has no effect.
+     * @param dataSourceItem the structure of the data source
+     * @sa registerDataSource()
+     */
+    void setDataSourceItem(const QUuid &dataSourceUid,
+                           std::unique_ptr<DataSourceItem> dataSourceItem) noexcept;
+
 public slots:
     /// Manage init/end of the controller
     void initialize();
     void finalize();
 
+signals:
+    /// Signal emitted when a structure has been set for a data source
+    void dataSourceItemSet(const DataSourceItem &dataSourceItem);
+
 private:
     void waitForFinish();
 
diff --git a/core/src/DataSource/DataSourceController.cpp b/core/src/DataSource/DataSourceController.cpp
index b4af453..0149694 100644
--- a/core/src/DataSource/DataSourceController.cpp
+++ b/core/src/DataSource/DataSourceController.cpp
@@ -1,4 +1,5 @@
 #include <DataSource/DataSourceController.h>
+#include <DataSource/DataSourceItem.h>
 
 #include <QMutex>
 #include <QThread>
@@ -11,7 +12,10 @@ Q_LOGGING_CATEGORY(LOG_DataSourceController, "DataSourceController")
 class DataSourceController::DataSourceControllerPrivate {
 public:
     QMutex m_WorkingMutex;
+    /// Data sources registered
     QHash<QUuid, QString> m_DataSources;
+    /// Data sources structures
+    std::map<QUuid, std::unique_ptr<DataSourceItem> > m_DataSourceItems;
 };
 
 DataSourceController::DataSourceController(QObject *parent)
@@ -36,6 +40,25 @@ QUuid DataSourceController::registerDataSource(const QString &dataSourceName) no
     return dataSourceUid;
 }
 
+void DataSourceController::setDataSourceItem(
+    const QUuid &dataSourceUid, std::unique_ptr<DataSourceItem> dataSourceItem) noexcept
+{
+    if (impl->m_DataSources.contains(dataSourceUid)) {
+        impl->m_DataSourceItems.insert(std::make_pair(dataSourceUid, std::move(dataSourceItem)));
+
+        // Retrieves the data source item to emit the signal with it
+        auto it = impl->m_DataSourceItems.find(dataSourceUid);
+        if (it != impl->m_DataSourceItems.end()) {
+            emit dataSourceItemSet(*it->second);
+        }
+    }
+    else {
+        qCWarning(LOG_DataSourceController()) << tr("Can't set data source item for uid %1 : no "
+                                                    "data source has been registered with the uid")
+                                                     .arg(dataSourceUid.toString());
+    }
+}
+
 void DataSourceController::initialize()
 {
     qCDebug(LOG_DataSourceController())