You use this procedure to create a screen for your ABAP program.
The program should be an executable program (Type 1), a module pool (Type M), or a function group (Type F) and must already exist.
A screen number must be unique and up to 4 digits long. In SAP programs all screen numbers above 9000 are reserved for SAP customers. The number 1000 is commonly used for table screens and selection screens. The initial screens of transactions are usually assigned a number ending in 100 (for example, 3100).
To display a list of all screens belonging to a program, use the F4 help function.
The system displays the Change Screen Attributes screen.
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