There are two ways to access the chat area of Trainingym.
1) To the right side of the screen in TG Manager you can see a sidebar that says "Show Chat." Clicking on the bar will expand it to show who is online and available to write.
Click on the name of the person you would like to speak to and a pop-up will appear. Write your note and press enter to send.
2) By pressing the commentary bubble icon you can also access the chat platform
This will take you to a screen of your chat history. Click on the chat group or person you wish to communicate with and write your message. Press enter to send.