Cannot find the Watson Assistant API key input

I am trying to get the Watson Assistant node to work in a chatbot (https://github.com/IBM/watson-nao-robot). However, I cannot find where to put the Watson Assistant credentials. When I click on either V1 or V2 assistant node, it just ask for 'Workspace ID' or 'Assistant ID'. And the following screen is not found:

This is my assistant node V1: