Option 1 – Tap on the Cubes icon on the bottom navigation. Click on the + sign at the top right corner of the main Cubes page. In the Search for users box, type in the name of the person you want to message.
Option 2 – Click on another user’s thumbnail anywhere in the app (for example, in another Cube, or on a stop, or on their Wall) and click Message. Note: A message button will not appear if the user does not allow messaging in their Permissions area.