Customer Relationship Management Fundamentals Implementation GuidePrerequisitesPrerequisites Before you complete the tasks in this chapter, you must enter items into the system. See also: "Entering Item Information" in the JD Edwards EnterpriseOne Applications Inventory Management Implementation Guide. "Setting Up Order Processing Information" in theJD Edwards EnterpriseOne Applications Sales Order Management Implementation Guide. "Placing Orders"in the JD Edwards EnterpriseOne Applications Customer Self Service Implementation Guide.