diff --git a/src/variables/variable.h b/src/variables/variable.h
index 09dff6b8..d3ad71a2 100644
--- a/src/variables/variable.h
+++ b/src/variables/variable.h
@@ -610,6 +610,7 @@ class Variables : public std::vector<Variable *> {
         return std::find_if(begin(), end(),
             [v](Variable *m) -> bool { return *v == *m; }) != end();
     };
+
     bool contains(const VariableValue *v) {
         return std::find_if(begin(), end(),
             [v](Variable *m) -> bool {
@@ -620,6 +621,19 @@ class Variables : public std::vector<Variable *> {
                 return v->getKeyWithCollection() == *m->m_fullName.get();
             }) != end();
     };
+
+
+    std::string getVariableNames(const std::string &sep = ",") {
+        std::string names;
+        for (auto a : *this) {
+            if (names.length() > 0) {
+                names = names + sep + *a->m_fullName;
+            } else {
+                names = *a->m_fullName;
+            }
+        }
+        return names;
+    }
 };