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1.1 Modifying SAP Forms
If you want to modify SAP forms, set up your development environment as follows:
1. Make sure that no SAP-standard forms are stored as client-specific copies in your
Such forms should be held only in client 000, the SAP development and installation
client. If you access an SAP-standard form from another client, then the central copy in
client 000 is used.
If you need to remove SAP-standard objects from your development client, see Notes
10388 and 3355 in the SAP Online Service System (OSS). These notes explain the
procedure for saving modified forms and then deleting all forms. 2. To modify SAP standard forms, Copy the forms you need from client 000 to your development client.
Rename the forms using a name from the customer name reserve (names starting
with Y or Z).
Copy the forms to one of your own Y or Z development classes.
Renaming the SAP standard object makes it possible to manage and transport your
changes with the SAP workbench organizer. The organizer is not activated for SAP-
standard objects that are modified in clients other than 000. 3. To put your modifications into effect, you must also modify the ABAP print program used to print documents that use this form. You should rename such print programs and
store them in your own Y or Z development classes. You can use the SAP Customizing System to replace the SAP print program with your
modified print program in the affected applications 1.2 Forms: Concepts Forms are used to control the page layout and also the text formatting in your documents.
Before formatting a document for output to the screen or to a printer, you must assign a form to
it. If you do not specify a form for a document, then the SYSTEM form is assigned to the
document by default.
Application-specific forms are used in SAP applications to specify the page layout for such
special documents as invoice or checks. These forms specify the structure of the information on
the page(s) of such a document. They define, for example, the address header, item lines, the
footer, and so on.
There are two ways to format texts with forms: · In the standard SAPscript text processing (Tools Word processing Standard text), you can select a form for a document. You can then type text into the main window of
the form and output the document in the format defined in the form. For example, you can select a form for a letter. You can then type the body text of the letter
in the main window. When you print the letter, the default text elements in the other
windows of the form (heading, footer, and so on) are printed with the body text.
· A document can be generated by a print program in one of the SAP applications. The
print program uses a form to generate the document. Most correspondence and
document generation in the SAP System are handled by way of print programs. A print program selects the text elements that are to be printed in the windows of a form. It
may also collect information from the user or ask the user to input text directly, as in some
correspondence functions. The print program may also provide data for variables defined in
Finally, the print program uses the form to format the document for display or printing.