Managing Applets Execution

Make sure you have deployed an Applet first.
To manage an Applet in a Project, select the Project from the left navigation panel to access the list of Applets included in that Project. Identify the Applet you want to manage and make sure you have deployed it.​
Click the arrow button next to the Applet to expand the Applet details:
In the applet details ,you have the Instance, representing the actual deployed Applet, where you can observe the status (if it's running or not) and you can use the action buttons to change the status of the instance (Start/Restart/Stop):