Simple example for using connector along with rasa action server and rasa server

Hey, I am a very beginner. I wonder where I can find a simple example which shows me how to use rasa with a ui like rasa -webchat or facebook.

I suppose I have to start an action server as I have custom action and a rasa server.

But a simple example showing this would be nice. The only thing I could found was this:

but this is rather confusing because of unknown things like Sanic.

My end goal would be to use the rasa webchat:


Just downgrading to version 2.2