From your hub page head to the left hand side and select chat or select the "start chat' tile on the page.
On the chat page you will have the ability to select chats that are already open or start a new chat.
Click on new chat.
Select broadcast from the options.
You will now be taken to the set-up for the broadcast.
Enter a name for your broadcast and either add a group of clients or manually select clients to broadcast to and select create broadcast when ready.
Next, simply enter your message you wish to send to your broadcast group and select send once complete!
You have now successfully broadcast a message to your clients! 👍