Blast messages enable you to send the same message to multiple people or rooms simultaneously. To send a Blast message, select the three dot menu, then Blast message (Figure 1):
Figure 1 Blast message
Compose the message you would like to send, add the recipients and select send (Figure 2):
Figure 2 Compose a message
Note: Messages can be formatted using the available options. Refer to the Knowledge Article found here for further information on formatted messages.