diff --git a/include/nodes/internal/NodeDataModel.hpp b/include/nodes/internal/NodeDataModel.hpp
index e80c0739..ce2beff5 100644
--- a/include/nodes/internal/NodeDataModel.hpp
+++ b/include/nodes/internal/NodeDataModel.hpp
@@ -47,6 +47,8 @@ class NODE_EDITOR_PUBLIC NodeDataModel
   virtual QString
   caption() const = 0;
 
+  virtual QString tooltipText() = 0;
+
   //Can add parameter std::string requestedInfo which we can set to be "inlet_temperature", "reactor_type", "volume", etc..
   //this way if we need to show more info about the node we can just call this overridden method with what we need
   virtual QString extraInfo(int reactorType) { return ""; }