In order to prevent spamming, only selected users defined in the Communication Admin Panel can send bulk messages.

Step 1: Navigate to Communication Panel

Navigate to Admin > Communication

Step 2: Add Bulk Message Permission

Under permission, add users who will be allowed to send bulk messages.

Step 3: Send bulk messages

Users with permissions will have an additional 'Notification' option when composing a message to send messages to Groups, Role or All users.