Click a category, click a button and it will send https://mitscratch.freshdesk.com/en/support/solutions/articles/4000228254-cloud-chat-projects If there is a ui bug, let me know.
Note: This chat is not against the rules. There is not free typing, only a few preset messages. For more information on cloud chat project rules, open the link above, you'll see that it fits the criteria listed.