Use this action to transfer the flow to a task that you previously configured in the Reusable Tasks area. You can use a reusable task action in multiple locations within a flow. To access this action, from the task or state editor toolbox, expand the Task menu. 

Action Description
Name field

Type a meaningful name for the action. The label you enter here becomes the action’s name that the flow structure displays in the flow structure.
Task Click the arrow at the end of the list and select the task to which you want to route the flow.