The Client Tasks button change the view to Client Tasks.
Clients
To access Client Tasks, first click on Clients in the lower menu controller, then choose Client Tasks. This will change the view to Client Tasks in the working panel. To learn more about Tasks, see: Scheduler and
Access the Client Tasks panel by first clicking on Clients in the lower menu, then choosing Client Tasks. This change the working Panel view. To learn more about Client Tasks, see: Scheduler