<Desktop>
1. Click “Messages” on header.
2. Click “Create”.
3. Select participant and click “Save”, and you can start to send Messages.
* You can set Message group name if needed.
<Mobile>
1. Tap “Messages” on footer.
2. Tap “+” on header.
3. Select participant and tap “Save”, and you can start to send Messages.
* You can set Message group name if needed.