diff --git a/src/schema.hpp b/src/schema.hpp
index 8b7031a..6970fe9 100644
--- a/src/schema.hpp
+++ b/src/schema.hpp
@@ -35,6 +35,13 @@
     IdentityRef,
     LeafRef,
 };
+
+enum class NodeTypes {
+    Container,
+    PresenceContainer,
+    List,
+    Leaf
+};
 }
 
 enum class Recursion {
@@ -43,10 +50,7 @@
 };
 
 
-class InvalidNodeException : public std::invalid_argument {
-public:
-    using std::invalid_argument::invalid_argument;
-    ~InvalidNodeException() override;
+class InvalidNodeException {
 };
 
 /*! \class Schema
@@ -61,6 +65,8 @@
 
     virtual bool isContainer(const schemaPath_& location, const ModuleNodePair& node) const = 0;
     virtual bool isLeaf(const schemaPath_& location, const ModuleNodePair& node) const = 0;
+    virtual yang::NodeTypes nodeType(const std::string& path) const = 0;
+    virtual yang::NodeTypes nodeType(const schemaPath_& location, const ModuleNodePair& node) const = 0;
     virtual bool isModule(const std::string& name) const = 0;
     virtual bool isList(const schemaPath_& location, const ModuleNodePair& node) const = 0;
     virtual bool isPresenceContainer(const schemaPath_& location, const ModuleNodePair& node) const = 0;