A proximity sensor for determining an approaching direction of an object is provided. When a workflow is created, it is associated with domain. The pocket includes a wall configured to hold objects in the pocket and a diagonal fabric edge that defines a diagonal opening for predetermined angular ingress and egress into the pocket for controlling the placement and removal of objects within the pocket. The gutter cover includes an integral drip leg projecting downwardly from the drip hip and being formed with an area of expanded metal diamond-shaped apertures to direct water into the gutter trough.