Go to the fixtures tab, then select training option, along the top three options bar.
Click add training or add friendly
Confirm and then tell your squad. This will send them out a notification which encourages them to select their availability for your training session or friendlies.
You can then see your available players in the ‘squad tab’.
Note: You cannot pick a team for a friendly or a training session. This is reserved for league/cup matches only.