How to send images as bot responses in Slack?

Rasa Open Source
17

you need to set multiple action in your story/rule

like:

domain.yml

utter_response_1:

 - text : resposne_1
   image: url_1

utter_response_2:

 - text : resposne_2
   image: url_2

story/rule.yml

  intent: user_intent
  action: utter_response_1
  action: utter_response_2