Prerequisites

Before designing screens, you need the following prerequisites:

An understanding of the tasks that the user intends to perform with the application, which is usually determined from previous phases of development, such as life cycle analysis using the Entity Life Cycle Analysis tool
A data model defined with the Data Model tool, Data Model List tool, or the Data Model Browser tool
One or more procedures defined with the Dialog Design tool
Views for one or more procedures defined in procedure synthesis using the Dialog Design tool
A business system defined with the Business System Definition tool