Answer / bihar ka lala

Sambasivarao , go to SE37 check out FM names.
Then come to this website.

Answer / malli.gontla

I can't understand ur question. but in abap many number of
function modules are available.all these function modules
are grouped together into function groups.

for example: date
for date there are different number of function modules are
available.

i will give a procedure to u, how to see the available
function modules.

1.From the ABAP/4 Development Workbench screen,
choose the menu path Overview -> Repository Information
System. You see the ABAP/4 Repository Information System

2.and expand the tree. it will display modeling, abap
dictionary, programming, program library etc.

3.function library is available under programming tree.
expand that tree. function groups and function modules are
vailable.
4.just u click on function modules, it display one screen.
enter ur choice there.
for eg, u want date function modules.
just u enter *date* in function module field.
and search it . it display a list of date realated functions.

this is the procedure for searching function modules

Answer / sambasivarao

Basically,the word function module come from reusability
technique. Depending on this reusability and scope we can
categorize the types of function modules.

4 types of function modules:

1. Subroutines - scope is within program or package
(using external calling mechanism).
2.Normal function module- scope is within R3 system.

3.Remote enable function module(RFC)- scope is between R3
systems
4. BAPI - scope is between sap and non-sap legacy systems
and can be used within R3 systems also.

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