Turn on priority notifications

When you turn on Priority notifications for a group chat, you receive a distinct audio prompt for messages that you receive in the chat, even if you have turned off sounds for standard messages.
Go to The settings icon > Notifications and verify that Play Sound for Priority Notifications is selected.
  1. In a group chat, click The edit icon beside the chat name.
  2. In a group chat, tap the chat name at the top of the screen.
  3. Tap Settings.
  4. Turn on Priority Notifications.
  5. Click the check box beside Priority Notifications.
  6. Click The chat icon to return to the chat.