diff --git a/core/include/Variable/VariableSynchronizationGroup.h b/core/include/Variable/VariableSynchronizationGroup.h
new file mode 100644
index 0000000..ffb5ce8
--- /dev/null
+++ b/core/include/Variable/VariableSynchronizationGroup.h
@@ -0,0 +1,38 @@
+#ifndef SCIQLOP_VARIABLESYNCHRONIZATIONGROUP_H
+#define SCIQLOP_VARIABLESYNCHRONIZATIONGROUP_H
+
+#include "CoreGlobal.h"
+
+#include <QLoggingCategory>
+#include <QObject>
+#include <QUuid>
+
+#include <Data/SqpRange.h>
+
+#include <set>
+
+#include <QLoggingCategory>
+
+#include <Common/spimpl.h>
+
+Q_DECLARE_LOGGING_CATEGORY(LOG_VariableSynchronizationGroup)
+
+class Variable;
+
+/// This class aims to hande the cache strategy.
+class SCIQLOP_CORE_EXPORT VariableSynchronizationGroup : public QObject {
+    Q_OBJECT
+public:
+    explicit VariableSynchronizationGroup(QObject *parent = 0);
+
+    void addVariableId(QUuid vIdentifier);
+    void removeVariableId(QUuid vIdentifier);
+
+    const std::set<QUuid> &getIds() const noexcept;
+
+private:
+    class VariableSynchronizationGroupPrivate;
+    spimpl::unique_impl_ptr<VariableSynchronizationGroupPrivate> impl;
+};
+
+#endif // SCIQLOP_VARIABLESYNCHRONIZATIONGROUP_H
diff --git a/core/src/Variable/VariableSynchronizationGroup.cpp b/core/src/Variable/VariableSynchronizationGroup.cpp
new file mode 100644
index 0000000..a0454f9
--- /dev/null
+++ b/core/src/Variable/VariableSynchronizationGroup.cpp
@@ -0,0 +1,32 @@
+#include "Variable/VariableSynchronizationGroup.h"
+
+#include "Variable/Variable.h"
+
+
+Q_LOGGING_CATEGORY(LOG_VariableSynchronizationGroup, "VariableSynchronizationGroup")
+
+struct VariableSynchronizationGroup::VariableSynchronizationGroupPrivate {
+
+    std::set<QUuid> m_VariableIdSet;
+};
+
+
+VariableSynchronizationGroup::VariableSynchronizationGroup(QObject *parent)
+        : QObject{parent}, impl{spimpl::make_unique_impl<VariableSynchronizationGroupPrivate>()}
+{
+}
+
+void VariableSynchronizationGroup::addVariableId(QUuid vIdentifier)
+{
+    impl->m_VariableIdSet.insert(vIdentifier);
+}
+
+void VariableSynchronizationGroup::removeVariableId(QUuid vIdentifier)
+{
+    impl->m_VariableIdSet.erase(vIdentifier);
+}
+
+const std::set<QUuid> &VariableSynchronizationGroup::getIds() const noexcept
+{
+    return impl->m_VariableIdSet;
+}