Response cards in Amazon Lex

Cards give you a way to offer a richer in-conversation experience than just text messages by integrating buttons, images, and more. Cards can be used for many purposes, such as displaying product information, asking the message recipient to choose from a predetermined set of options, and showing search results. If you are integrating your cards into Slack or Facebook, then they will be shown on those platforms:

Example cards in Facebook

Creating a card

To create a card, we need to change the format of the response that we are sending back to Lex. This means we need to change the functions in LexResponses by passing in a responseCard attribute. We can then add this responseCard to the dialogAction...