From your hub, head to your navigation bar by clicking the menu icon in the top left-hand corner.
From the navigation bar select ‘Messages’.
If you have already messaged your trainer you can simply select the message on the screen as below.
If you have not messaged your trainer yet select the ‘+’ plus icon and then hit ‘New Message’.
Then select your trainer from the scroll menu.
Just enter your message in the text box.
Then just hit ‘Send’. Your trainer will then recieve a notification letting them know you have sent them a message.