1- Click on the Feeds&Messages button from the top left menu.
2- Pass to the MESSAGES tab.
3- Incoming messages will be listed on this screen according to the subject.
4- Click the
button in the lower right corner.
5- Select the field force you want to send a message and click on the Check 
button in the upper right corner.
6- Your composed message will be sent when you click on the SEND
button.