Random Message and Custom Card
You can use the random message node to send a different reply each time the user reaches that part of the flow. This can be useful in greeting messages or default messages.
You can add an HTML-CSS styled card in the user message, making the flow it interactive.
Note : Custom Card is supported only for bot version 1. Please reach out to email@example.com.
You can add your code blocks and check how the card would look to the end-user. Custom cards are supported only on Mobile SDK and the web app.