The image shows the ebMS custom document screen. The first area of the screen shows the following fields: Document Definition Name, Description, Definition, and Root XSD Name. The first area also shows the Reset Parameter button. The second area of the screen shows the following tabs: Flat, Routing, XPath, Correlation, and Apps. The Flat tab is selected. The tab shows the following information: Identification Start Position, Identification End Position, and Identification Value. At the top right of the screen is the Save button.