diff --git a/plugins/amda/tests/FuzzingDefs.cpp b/plugins/amda/tests/FuzzingDefs.cpp
index 5dfd1b7..e6fba1a 100644
--- a/plugins/amda/tests/FuzzingDefs.cpp
+++ b/plugins/amda/tests/FuzzingDefs.cpp
@@ -3,3 +3,5 @@
 const QString NB_MAX_OPERATIONS_PROPERTY = QStringLiteral("component");
 const QString NB_MAX_VARIABLES_PROPERTY = QStringLiteral("nbMaxVariables");
 const QString AVAILABLE_OPERATIONS_PROPERTY = QStringLiteral("availableOperations");
+const QString METADATA_POOL_PROPERTY = QStringLiteral("metadataPool");
+const QString PROVIDER_PROPERTY = QStringLiteral("provider");
diff --git a/plugins/amda/tests/FuzzingDefs.h b/plugins/amda/tests/FuzzingDefs.h
index 9a9d78f..713bde7 100644
--- a/plugins/amda/tests/FuzzingDefs.h
+++ b/plugins/amda/tests/FuzzingDefs.h
@@ -2,10 +2,15 @@
 #define SCIQLOP_FUZZINGDEFS_H
 
 #include <QString>
+#include <QVariantHash>
+
 // /////// //
 // Aliases //
 // /////// //
 
+using MetadataPool = std::vector<QVariantHash>;
+Q_DECLARE_METATYPE(MetadataPool)
+
 using Properties = QVariantHash;
 
 // ///////// //
@@ -21,4 +26,10 @@ extern const QString NB_MAX_VARIABLES_PROPERTY;
 /// Set of operations available for the test
 extern const QString AVAILABLE_OPERATIONS_PROPERTY;
 
+/// Set of metadata that can be associated to a variable
+extern const QString METADATA_POOL_PROPERTY;
+
+/// Provider used to retrieve data
+extern const QString PROVIDER_PROPERTY;
+
 #endif // SCIQLOP_FUZZINGDEFS_H