diff --git a/Attribute.h b/Attribute.h
index b57879e..92c435b 100644
--- a/Attribute.h
+++ b/Attribute.h
@@ -41,6 +41,11 @@ public:
 	{
 		return values.size();
 	}
+	
+	void pushBack(string s)
+	{
+		values.push_back(s);
+	}
 /*	
 	Attribute(vector<string> v){ 
 		this.values = v;