This workflow showcases the usage of custom class inside KNIME. The user has to define the custom python class in a (.py) file and place it inside the workflow directory. The Python Script node can access this custom class and use it for execution. In this example, we define a python custom class for normalising data and encoding taregt column, this class file (.py) is placed inside the workflow directory. Inside the Python Script node we use this python class for normalising input data and encodinmg target column supplied at second input port