The deadline feature must be enabled by a Collavate Admin. The deadline feature allows users to set up deadlines and due dates for workflows.
To turn on Deadline feature for your domain:
① Go to the [Admin] console on the left menu
② Click the [Workflow] sub menu settings
③ For "Deadline" click On
④ Click [Save Settings]
The deadline feature will then be available for your domain users to use when setting up a workflow!