To send the same messages to more than one person
Access chat from the left side of the Amazon Chime desktop app or the Messages and Rooms tab in the mobile app
Choose Group Message and add up to 50 users to the To: field.
Messages are sent to your desktop app if it’s the most active device. If you’re away or on a mobile device, Amazon Chime sends them to your mobile app as push notifications.
To start an instant meeting, choose the phone icon in the upper-right corner to call everyone in the group.