Purpose of two types of nodes: many users have much FAQ data, which is highly related to their business. If this data can be used to match intentions and answer questions, the chatbot can be improved a lot.
Before using FAQ input and output nodes, FAQ info must be configured in the dialog setting page. After configuring, FAQ input and output nodes can be used in the dialog.
Click the setting button in graph editing page:
Click the down arrow in Paired-Corpus Skill panel in setting page
Check out the detail of FAQ by clicking open link
Select the FAQ skill that meets the requirements
Return to the dialog edit page after configuring the FAQ
Add a FAQ input node in dialog flow
Select related group ids to match user intention
Train the dialog flow and test it
Add a FAQ output node in dialog flow
Select related groupids as the answer
Train the dialog flow and test it