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Function pool or better, function group, is a development object in which function modules which logically belong together are stored. For example a function group for a business partner in which a fm is for displaying, creating and changing Business partner.
Function pool or better, function group, is a development object in which function modules which logically belong together are stored. For example a function group for a business partner in which a fm is for displaying, creating and changing Business partner.
The FUNCTION-POOL statement is equivalent to the REPORT statement and introduces a function group.
The introductory statement FUNCTION-POOL declares a program in which you can define function modules. At runtime, function pool programs are loaded in to a new program group with their own user dialogs and their own shared data areas in the internal session of the calling program. For this reason, function groups (type F programs) must always begin with a FUNCTION-POOL statement. This is usually generated by the Function Builder. Type 1, M, or S programs should not begin with a FUNCTION-POOL statement, since they would then not share common data areas with the caller. However, in exceptional cases, you can introduce a type 1 or type M program with FUNCTION-POOL to ensure that externally-called subroutines can process their own screens. As in the REPORT and PROGRAM statements, you can specify the message class and standard list formatting options of the program in the FUNCTION-POOL statement
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