Send a Chat Message
Step 1 - Type into the 'Message' field, then click 'Send'.
Unsend a Chat Message
Step 1 - Hover over a message that you have sent and tap 'Unsend Message'.
Step 2 - Add a 'Reason', then confirm by clicking 'Unsend Message'.
The message will be replaced in the chat window with 'Message Unsent'.
Re-send a Chat Message
Step 1 - Hover over a message that you have hidden and tap 'Show Message'.
Step 2 - Confirm by clicking 'Resend Message'.
All participants will be able to see the message again in its original location.