Help me in Creating Function Module
Hi All,
I am new to SAP, please help me doing the following task given to me.
Given EE group and EE subgroup, how to write a custom function module that displays all the employees in it?
The output should be displayed in 2 tables where first table has the infotypes 0001 and 0002 and second table has infotype 0006.
Thank you
HI.
Function Modules;
Check this matter.
Function Modules are Global ABAP programs created by SAP for reusable purpose.they have IMPORT,EXPORT and TABLE parameters, and EXCEPTIONS to through when error occurs.
You can create them from TCode SE37.
Go through the following doc:
Function modules are cross-program, reusable procedures that are organized into function groups, and whose functions are implemented between the statements FUNCTION and ENDFUNCTION. Function modules and their interfaces are created in the Function Builder.
Function Module Interfaces
The parameter interface of a function module is defined in the Function Builder. It includes the definition of interface parameters and the specification of exceptions that can be triggered by a function module. The Function Builder automatically generates comment lines below the FUNCTION statement in the source code of the function module, which represent the interface of the function module with the following syntax:
Syntax
... IMPORTING parameters
EXPORTING parameters
CHANGING parameters
TABLES table_parameters
{RAISING
The syntax and semantics of IMPORTING, EXPORTING, CHANGING, RAISING, and EXCEPTIONS mainly correspond to the definition of method interfaces with CLASS-METHODS. The additional option of defining table parameters using TABLES is obsolete.
Interface parameters
The interface parameters are defined on the relevant tab pages in the Function Builder.
IMPORTING parameters are input parameters. When the function module is called, a suitable actual parameter must be specified for every non-optional input parameter. The content of the actual parameter is passed to the input parameter when the call is made. The content of an input parameter for which 'pass by reference' is defined cannot be changed in the function module.
EXPORTING parameters are output parameters. When the function module is called, a suitable actual parameter can be specified for every output parameter. The content of an output parameter that is defined for 'pass by value' is transferred to the actual parameter if the function module is completed without errors. An output parameter that is defined for pass by reference is not initialized when the function module is called.
CHANGING parameters are input and output parameters. When the function module is called, a suitable actual parameter must be specified for every non-optional input or output parameter. When the function module is called, the content of the actual parameter is passed to the input/output parameter, and when the function module is completed, the content of the input/output parameter is passed to the actual parameter.
TABLES parameters are table parameters. Table parameters are obsolete CHANGING parameters that are typed as standard tables with a header line. If an internal table without a header line or a table body is passed as an actual parameter to a formal parameter of this type, an empty local header line is generated in the function module. If an internal table with a header line is used as an actual parameter, both the table body and the header line are passed to the function module. Pass by value is not possible in formal parameters defined using TABLES. Formal parameters defined with TABLES can be replaced by formal parameters defined with CHANGING. A local work area can be created for the internal table in the function module by using the addition LIKE LINE OF itab of the DATA statement.
Exceptions
The exception of a function module are defined on the Exceptions tab page in the Function Builder. Here you can select exception classes to define whether class-based exceptions are declared or non-class-based exception are defined. Class-based exceptions are represented in the above syntax by RAISING, and non-class-based exceptions are represented by EXCEPTIONS.
The addition RAISING is used to declare class-based exceptions that can be propagated from the function module to the caller. Exceptions in the categories CX_STATIC_CHECK and CX_DYNAMIC_CHECK must be explicitly declared, otherwise a propagation can lead to an interface violation. A violation of the interface leads to the treatable exception CX_SY_NO_HANDLER. Exceptions of the category CX_NO_CHECK are implicitly always declared. The declaration of exceptions of the category CX_STATIC_CHECK is statically checked in the syntax check. For exceptions of the category CX_DYNAMIC_CHECK, the check is not performed until runtime. In a function module in which class-based exceptions are declared with the RAISING addition, the statement CATCH SYSTEM-EXCEPTIONS cannot be used. Instead, the relevant treatable exceptions should be handled in a TRY control structure.
The addition EXCEPTIONS is used to define a list of non-class-based exceptions that can be triggered in the function module using the statements RAISE or MESSAGE RAISING. Exceptions defined in this way - as with formal parameters - are bound to the function module and cannot be propagated. If an exception of this type is triggered in a function module, and no return value has been assigned to it with the homonymous addition EXCEPTIONS of the CALL FUNCTION statement when the call was made, this leads to a runtime error.
Note
For new developments after release 6.10, SAP recommends that you work with class-based exceptions that are independent of the function module.
Plz follow these steps:::
for creating the function modile initiallly we need to create the function group in se37 tcode.
1.later create the function module:
2. let us take some example
in import -
> im_kunnr type kunnr.
3. export:::
Ex_kna1 Type kna1.
4. Source code: tab
if not Im_kunnr is initial.
select single * into ex_kna1
from kna1
where kunnr eq im_kunnr.
5.save
6. goto se80 and activate all the function module as a set.
now u can use it in se38 z programs.
hope u understood the logic to use try this..
To be reward all helpfull naswers.
Jay
Similar Messages
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Help required in creating function module which reads payroll clusters.
Hi ,
We have a requirement where in we need to create a function module for reading a sequence of tables from payroll clusters. This function module does two functions:
1.Read the payroll results from one system.
2.write the payroll results to other system.
please do the needful as soon as possible.
Thanks in advance.
Regards,
Durga.hi
Refer to the below thread
Programming with Clusters for HR-Payroll
Regards
Sameer -
Doubt in export, import and table para when creating Function Module
Dear fellow ABAPers,
I have a doubt in defining export, import and table parameter while creating a function module.
I am calling a function module inside a user exit. Now in the user exit the SAP fills an internal table called i_lfa1 with all the data user has eneterd.
Now I want to pass this whole internal table to function module and the perform some checks on the values of internal table.
After that function module fills an error structure with values depending on some check.
1)
How do I pass this internal table to function module ?
When I am creating function module in se37 where do I define this iternal table type ? Is it in Import or Table parameter during function module creation?
2)
Where do I define error structure type (which is returned by function module to main program)? Is it in Export or table parameter during function module creation?
Please clear my doubt..
Relevant points will be awarded.
Regards,
Tushar.Hi Tushar,
1. How do I pass this internal table to function module ?
I assume u are creating your own Y/Z FM.
Pass it thru TABLES parameter.
2. When I am creating function module in se37 where do I define this iternal table type
Define this in TABLES interface.
What Type ?
THE SAME TYPE WHICH HAS BEEN DEFINED
WHILE PASSING IN THE USER-EXIT FUNCTION MODULE.
IF U SEE THE FM OF THE USER-EXIT,
U WILL COME TO KNOW.
3.
Where do I define error structure type (which is returned by function module to main program)? Is it in Export or table parameter during function module creation?
Define it in TABLES interace. (not in export, import)
(Since what u are going to return is an internal table)
U can take for eg. BDCMSGCOLL.
OR u can create your own Y/Z structure
for the same purpose.
(or u can use the structure type T100)
I hope it helps.
Regards,
Amit M. -
How to create function module in abap for VirtualProvider in bi
how to create function module in abap for VirtualProvider in bi ???????????????
can any one help me with simple example ?????????????????
Moderator message : Duplicate post locked. Read forum rules before posting.
Edited by: Vinod Kumar on Jun 15, 2011 4:40 PMHi ,
Thanks for replies about my question??.
If i am using the exit in my char relation ship how can i debugg that exit???
if i am using BPS0 how to do it???If i am using BPS_WB how to do it??
Case1.Variable (type Exit) I known how to do debugg this one in BPS0 but i'm not sure in BPS_WB??
Case2:Char Relation Ship(Type Exit) how to do in BPS0 and BPS_WB??.
Thanks. -
Hi Friends,
Is it true to say that creating function modules in BPS is easier than the normal way of creating it in BW / R3 where you have to link it to the function group and all the usual steps?
Hope you can clarify. Thanks.
MichaelHi Michael,
pressing F1 when you define an EXIT Funtion on the field "Function Module" BPS will show you a Performance Assistant window that explains the guide line to define Importing and Exporting parameters to be defined in you FM. You will see that these are different from the ones requested when implementing a BPS Variable replaced by Used Exit.
Hope it helps
GFV -
Help needed - ABAP for function modules and routines.
Dear BW gurus,
Hope everyone is doing great.
I gotta project recently and we are going live in 3 weeks.My BWLead is getting rolled out in a week and he has to make the knowledge transfer to me ASAP.The bottle-necking thing is I need to have a good idea about the function modules and routines.So I request our SND community to help me out with good ABAP documents for function modules,routines and query.
my mail id is [email protected]
Thanks in advance
Have a nice day
Regards
sathiyaHello Sam,
You can create function module in ABAP using tcode SE37.
For more informations on ABAP:
http://help.sap.com/saphelp_47x200/helpdata/en/c9/5472f6787f11d194c90000e8353423/frameset.htm
Use http://help.sap.com
and also use <b>ABAPDOCU</b> transaction.
Check these links also...
<b>Online PDFs:</b>
http://easymarketplace.de/online-pdfs.php
<b>ABAP HELP</b>
If you check these links, you can find many example programs.
http://www.sap-img.com/abap.htm
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http://sappoint.com/abap/
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ALV
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Best Regards,
Thangesh -
How to create function module for getting customer name
Hi Experts,
How to create function module? when in import parameter kunnr values to be passed it must give name1 details according to the customer number...
how to write the logic in source code....
Regards,
Thiru. R1. First of all create function group.
2. Create function module using this function group.
3. If only one kunnr is needed at a time, create import parameter for it. But if many kunnr to be entered at a time,use table.
4. Fetch name1 for each kunnr from KNA1 table.
"->> if many kunnr
if not t_kunnr[] is initial.
select kunnr as kunnr name1 as name1
into table t_kunnr_name1
from kna1
for all entried in table t_kunnr
where kunnr = t_kunnr-kunnr.
endif.
sort t_kunnr_name1 by kunnr name1.
delete adjacent duplicates from t_kunnr_name1 comparing kunnr name1.
table t_kunnr_name1 will contain kunnr and its name1.
I hope logic is clear for you now.
Regards,
Aparna -
How to create function module in real time
hi experts,
can somebody explain a real time requiremwnt , to create a function module.
its very urgent.
i want elaborately.
regards,
subhasis.hi,
In real time
1. as per my knowledge we create function modules to Inbound IDOC /outbound processing..
2.Interface between a program..
Example we need to take some data from a report say materials and plant and process some bapi and return logfiles to the report we can use FM here too.
To create a function module
First you need to create a function group (function group holds a number of function modules relevant)
SE37>goto>function groups-->create group ..click this create group..
Now in the pop up enter the function groupname Eg: ZW_FG1 plus short text and saveit
Now again goto SE37--> enter new Function module name eg:ZW_FM1
and press F5.
Now again a popup you need to enter
function group name : ZW_FG1
and short test and save it..
Now the Function module is created under the Function group ZW_FG1.
write your export import table parameters and you source code.
rewards if useful
regards,
nazeer
Message was edited by:
nazeer shaik -
How to create function module step by step
hi experts,
i am new to ABAP.
can anybody tell me the step by step process on how to create a function module for adding two numbers without using editor screen.
ex: 2+3=5.Hi,
You can only create function modules and function groups using the Function Builder in the ABAP Workbench. For further information, refer to Creating New Function Modules. This section uses an example to illustrate how a function module is created from the point of view of ABAP programming.
Function Groups and Function Modules:
Firstly, we create a new function group DEMO_SPFLI to hold the function module. Then, we can create the new function module.
Parameter Interface:
You can specify the types of interface parameters in function modules in the
same way as the parameter interfaces of subroutines. Since function
modules can be used anywhere in the system, their interfaces can only contain
references to data types that are declared systemwide. These are the elementary
ABAP data types, the systemwide generic types, such as ANY TABLE, and types
defined in the ABAP Dictionary. You cannot use LIKE to refer to data types
declared in the main program.
Exceptions:
Our function module needs an exception that it can trigger if there are no entries
in table SPFLI that meet the selection criterion. The exception NOT_FOUND
serves this function.
Source Code:
Having defined the parameter interface and exceptions, we can now write the
source code of our function module. To do this, choose Source code in the
Function Builder. This opens the ABAP Editor for the include program
L<fgrp>U<xx> (see Function Groups). This is the include that will
hold the program code for the function module;
Data in Function Modules
You can use the TYPES and DATA statements to create local data types and
objects. The interface parameters also behave like local data objects. In
addition, you can access all of the global data of the main program. This data is
defined in the include program L<fgrp>TOP. To open this include, choose Goto
Global data. The global data behaves like the instance attributes of a class.
The first time you call a function module in a particular function group, the data is
loaded into memory. It can then be accessed and changed by all of the function
modules in the group. The system retains the values until the next time a function
module is called.
Calling Subroutines
You use subroutines for local modularization. Function modules can
also use this technique. The function module that they call are defined in the
corresponding main program.
If you only want to call a subroutine from a single function module, it is best to
define them in the same include program as the function module itself, directly
after the ENDFUNCTION statement. These subroutines can be called from all
function modules in the function group, but for clarity, they should only be called
from the function module that precedes them.
If you want to define a subroutine that will be called from several different function
modules, you can define a special include program for it with the name
L<fgrp>F<xx>.
Raising Exceptions
There are two ABAP statements for raising exceptions. They can only be used in
function modules:
RAISE <except>.
and
MESSAGE..... RAISING <except>.
The effect of these statements depends on whether the calling program handles
the exception or not. If the name <except> of the exception or OTHERS occurs
in the EXCEPTIONS addition of the CALL FUNCTION statement, the exception is
handled by the calling program.
If the calling program does not handle the exception
The RAISE statement terminates the program and switches to debugging mode.
The MESSAGE ..... RAISING statement display the specified message. How the
processing continues depends on the message type.
If the calling program handles the exception, both statements return control to the
program. No values are transferred. The MESSAGE ..... RAISING statement
does not display a message. Instead, it fills the system fields SY-MSGID, SYMSGTY,
SY-MSGNO, and SY-MSGV1 to SY-MSGV4.
Source Code of READ_SPFLI_INTO_TABLE
The entire source code of READ_SPFLI_INTO_TABLE looks like this:
FUNCTION READ_SPFLI_INTO_TABLE.
""Local interface:
*" IMPORTING
*" VALUE(ID) LIKE SPFLI-CARRID DEFAULT 'LH '
*" EXPORTING
*" VALUE(ITAB) TYPE SPFLI_TAB
*" EXCEPTIONS
*" NOT_FOUND
SELECT * FROM SPFLI INTO TABLE ITAB WHERE CARRID = ID.
IF SY-SUBRC NE 0.
MESSAGE E007(AT) RAISING NOT_FOUND.
ENDIF.
ENDFUNCTION.
The function module reads all of the data from the database table SPFLI where
the key field CARRID is equal to the import parameter ID and places the entries
that it finds into the internal table SPFLI_TAB. If it cannot find any entries, the
exception NOT_FOUND is triggered using MESSAGE...RAISING. Otherwise, the
table is passed to the caller as an exporting parameter.
Regards,
Chandru -
How to delete Thr created functional module dynamically
Hi All,
How to delete Thr created functional module dynamically
Regards,
Lisa
Message was edited by:
Lisa RoyHi,
You can use the function module RS_FUNCTION_DELETE to do that.
Make sure you are not deleting any standard FM's.
Example
call function 'RS_FUNCTION_DELETE'
exporting
funcname = 'ZFM_NAME" " Function modue name
suppress_popups = 'X' " TO suppress any pop-ups that come when you delete
exceptions
error_message = 1
cancelled = 2
function_released = 3
others = 4.
Regards,
Sesh -
Creating function modules with step by step
Hi,
plz provide me the material for creating function modules with step by step.Hi Nagaraju,
Step 1.
GO to transaction SE80.In the drop box list select function group enter your Z Function group name.Press enter it will ask for creating the function group.Create your function group.
OR
In SE37 transaction,in the menu bar Goto - > Function Group - > Create Group.Your Function Group will be created.
Step 2.
Go to transaction SE37.Enter your Z Function module name,your recently created function group name and the description.Press Enter.Now your FM is created.
Step 3.
Enter Export,Import parameters.In the source code tab write the code what you want to write.If any exception write in the exception tab.
Method 2)
First u have to create Function Group.
1.se37->Goto->Function Group--->Create.
2.Create FM.
3.maintain import /export parameters and tables , exceptions.
4.based on the ur requirement u have to bulid ur logic in Source Code by using there Import parameters and u can pass the results by using Export or table.
5.u can raise error by using exception.
Reward if useful.
Thanks
Aneesh. -
Problem while creating Function module
Hi All,
I created a TABLE and am using this table in a FUNCTION MODULE as a reference for declaring an internal table in TABLES tab in the function module .
But when i click on the table name its giving an error "TABLES parameters are obsolete! "
Can any one figure out the reasons .....and help me out!!!
Deepika KHi Deepika,
Tables option is said to be Obsolete because these days we use internal tables without header line...
Tables Option in FM considers internally that the table name you mentioned is with a header line and the structure of the internal table will be acting as work area.
It is still included in new version because for Upward compatibility...
As we still use the predefine function modules so they should be even compatible with newer versions so its still there..
But for normal practice it can be used but preferably not to use.. rather you use EXPORT parameter and include internal table like field...
Create a structure first and then a Table type which include the previously defined structure in SE11 and the assign the Table type to the field in EXPORT parameter with TYPE..
Hope this would help u.
Regards
Narin Nandivada. -
Problem in creating Function Module
Hi,
while creating a function (Z_SPELL_AMOUNT_INDIA) one error is coming . the error <b>'SPELL not declared</b> ' is coming. already the Function module is running correctly in different client(another client's place) i am just download the Function module from the existing implementation site and upload the function module in new client's place. both the Projects are mySAP ECC 5.0.
Here first i have created a function group and under the Function group itself i am uploading the FM.
How can i declare the SPELL?
is there any rules to be follow while creating the Function Group?
Thanks,
Neptune.MBefore you copy the function module check the following
1. Check the TOP include copied properly or not
2. Check any form routine (if existing) copied or not
3. In the Import, Export & tables if you are pointing to any DDIC structures, check whether they are copied or not.
While activating the function module CHOOSE ALL THE INCLUDES AND FUNCTION GROUP AT A TIME, AND THEN ACTIVATE ALL.
I hope this helps you.
- Raj -
Creating Function Module in Generic Extractor?
Hello All
DO anyone has steps how to create a Functional Module in Generic Extraction?
Pl let me know
Many Thanks
balajihi Balaji,
first create your function module (se37),
sample code see function module
RSAX_BIW_GET_DATA_SIMPLE.
then follow steps in create generic datasource
http://help.sap.com/saphelp_nw04/helpdata/en/3f/548c9ec754ee4d90188a4f108e0121/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/86/1c8c3e94243446e10000000a114084/frameset.htm
hope this helps. -
Need help for IDOC inbound function module !
Hi guys please help me to create a IDOC inbound function module.
What are the parameters and tables.
How to write the code.
What it does.
Please send me one inbound func module code if possuble
ThanksHi,
You need to create an inbound function module. Then define the process code in transaction we42 and attach the function module to this process code.
In the function module you create you need to define tables of types EDIDC (Control record (IDoc)), EDIDD (Data record (IDoc)) and BDIDOCSTAT (ALE IDoc status (subset of all IDoc status fields)).
Regards,
Soumya.
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