8. The computer-readable storage medium of claim 7 , wherein the instructions further configure the computer to: notify a second plugin service associated to the one or more zones in the plurality of zones; extract, by the second plugin service, a second metadata element associated to the one or more zones in the plurality of zones; assign the second metadata element to the one or more objects associated to the document type; store the one or more objects associated to the document type; and, invoke the one or more triggers assigned to the one or more zones in the plurality of zones.
8. The computer-readable storage medium of claim 7 , wherein the instructions further configure the computer to: notify a second plugin service associated to the one or more zones in the plurality of zones; extract, by the second plugin service, a second metadata element associated to the one or more zones in the plurality of zones; assign the second metadata element to the one or more objects associated to the document type; store the one or more objects associated to the document type; and, invoke the one or more triggers assigned to the one or more zones in the plurality of zones. 11. The computer-readable storage medium of claim 8 , wherein the document associated with the document type is an image file and wherein extracting the first metadata element or the second metadata element associated to each zone in the plurality of zones comprises metadata extraction using computer vision.