HOW to create a function module ..... in abap

pls lemme know ............the steps and procedure in creating a function module

hi GURU,
To Create Function Module first you need to create Function Group and Activate it.
First go to SE37 then
1. Goto>Function Groups>Create Group.
    Here you need to give Group name and Short Text of group.
2. After Creating Function Group again:
   Goto>Function Groups>Change Group.
   Enter your Function Group name and press enter.
   a dialog box will appear where you can see its status is inactive.
So, press <b>Main Program</b> Button and activate your function group.
NOW you Function Group is activated and and you can create Function Module in it.
Now Enter your Function Module Name and press create then
give your Function Group name in respective place and press enter.
Now you can give your Import/Export parameters and and if you want to use TABLES give it in TABLE section only not in Import/Export Parameters.
Then Write Logic in Source Code Tab and Activate it.
if you have any qury regarding it Pls let me know.
Reward if Useful.
Sachin.

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hi folks,
I'm very new to sap abap.
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Here is link for creating function modules
<a href="http://help.sap.com/saphelp_47x200/helpdata/en/9f/db98fc35c111d1829f0000e829fbfe/frameset.htm">Creating Function Modules</a>
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i want to know step for creating RFC function module and then How to use this function module from some other sap system.
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Jigar,
To implement a remote function module in ABAP, perform the following steps:
Register the module as remotely callable in the RFC server system.
In the function module Administration screen (transaction code SE37), set the field Can be called via REMOTE CALL. Registering a module as remote causes an RFC stub to be generated for it.
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Create the destinations.....................
Displaying, Maintaining and Testing Destinations
To display, create or modify destinations, choose Tools ® Administration ® Administration ® Network ® RFC destinations or enter transaction code SM59.
Remote Destinations are stored in table RFCDES. The RFCDES table describes logical destinations for remote function calls.
It is not possible to maintain the RFCDES table directly.
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Basis
Application Link Enabling (ALE)
Sending and Receiving Systems
Systems in Network
Define Target Systems for RFC Calls
Displaying Destinations
The initial screen for this transaction displays a tree:
Different connection types (i.e. partner systems or programs) are possible. For further information, see Types of Destinations.
To display all information for a given destination, double-click it, or place the cursor on it and press F2 .
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If you want to create a new destination
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Changing Existing Destinations
On the destinations overview screen (transaction code SM59), the connection types and all existing destinations are displayed in a tree structure.
You can display all information for a given destination by double-clicking it or pressing F2 on it.
To change an existing destination, double-click it, or place the cursor on it and press the Change button.
For details of the destination parameters, see Entering Destination Parameters.
Testing Destinations
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Authorization (checks logon data)
Local network (provides a list of application servers)
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CALL FUNCTION RemoteFunction
DESTINATION Dest
EXPORTING
f1 =...
f2 =...
IMPORTING
f3 =...
TABLES
t1 =...
EXCEPTIONS......
The field Dest can be either a literal or a variable: its value is a logical destination (for example, "hw1071_53") known to the local SAP System. Logical destinations are defined in the RFCDES table (or the TRFCD table in R/2 Systems) via transaction sm59 or the following menu path: Tools ® Administration, Administration ® Network ® RFC destinations. You can also access logical destinations via the Implementation Guide (IMG) by choosing Tools ® Customizing ® Enterprise IMG. In the Implementation Guide, you can then choose Cross-application components ® ALE ® Communication ® Define RFC destination.
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Pls. reward if useful

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HI,
check the sy-subrc ,if it is zero the insertion is success,otherwise use
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Edited by: rakesh dhudipala on Feb 12, 2008 2:33 PM
Edited by: rakesh dhudipala on Feb 12, 2008 2:33 PM

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<REMOVED BY MODERATOR>
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Edited by: Alvaro Tejada Galindo on Mar 10, 2008 4:21 PM

Hi,
You can create a lock on a object of SAP thorugh transaction SE11 and enter any meaningful name start with EZ Example EZTEST_LOCK.
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Hi Srinivas,
In order to create a function module firstly you need to assign it to a function group.
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hi,
i want to create a function module with some fields.when i activated it give some errors for
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Hi Sreenu,
While creating CURRENCY/QUANTITY fields in the DataBase Table, you have to enter a REFERENCE TABLE and a REFERENCE FIELD to the field.
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FIELD DATATYPE LENGTH DEC.PLACES REF.TABLE REF.FIELD
1.SNO     CHAR 5
2.AMOUNT CURR 10     2          T001      WAERS
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Abhay,
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This link is very good and easy to follow
http://help.sap.com/saphelp_erp2005vp/helpdata/en/41/7af4daa79e11d1950f0000e82de14a/frameset.htm
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Aditya[url=http://help.sap.com/saphelp_erp2005vp/helpdata/en/41/7af4daa79e11d1950f0000e82de14a/frameset.htm]
Message was edited by:
Aditya

How to create the funtion module with step by step

friends can u help me regarding how to create the function module very urgent,
regards
bhavani

To create a function module, you first need to create a Function Group which will keep all the function module of same functionality.
To create a Function Group, go to SE80->Click on Workbench-Edit Object->Function Group Tab->Enter Function Group name-> Click Create.
To create a Function Module:
Go to T.Code SE37->Enter the Function name->Enter Function Group name n Short Des.-> Here you need to define Import, Export parameters with the condition. Also you can write your code in source code tab.
check this link
Converting seconds values
check the FM code. if you don't have this FM code, create it in SE37 and make use of it.
FM MONI_TIME_CONVERT
FUNCTION MONI_TIME_CONVERT.
""Lokale Schnittstelle:
*" IMPORTING
*" REFERENCE(LD_DURATION) TYPE SY-TABIX
*" EXPORTING
*" REFERENCE(LT_OUTPUT_DURATION) TYPE SWL_PM_CVH-DURATION
DATA: LD_HOUR(4) TYPE N. "
DATA: LD_MIN(4) TYPE N. "
DATA: LD_SEC(4) TYPE N. "
DATA: LD_VALUE2(2) TYPE N.
DATA: LD_VALUE3(3) TYPE N.
DATA: LD_VALUE4(4) TYPE N.
DATA: SAVE_DURATION LIKE SY-TABIX.
data: ld_minus(1).
SAVE_DURATION = LD_DURATION.
if ld_duration < 0.
save_duration = save_duration * ( -1 ).
ld_minus = true.
endif.
CLEAR LT_OUTPUT_DURATION.
IF SAVE_DURATION NE 0.
LD_HOUR = SAVE_DURATION DIV 3600.
save_duration = save_duration - ld_hour * 3600.
LD_MIN = SAVE_DURATION DIV 60.
save_duration = save_duration - ld_min * 60.
LD_SEC = SAVE_DURATION.
IF LD_HOUR LE 100.
LD_VALUE2 = LD_HOUR.
WRITE LD_VALUE2 TO LT_OUTPUT_DURATION+3(2).
ELSEIF LD_HOUR LE 1000.
LD_VALUE3 = LD_HOUR.
WRITE LD_VALUE3 TO LT_OUTPUT_DURATION+2(3).
ELSE.
LD_VALUE4 = LD_HOUR.
WRITE LD_VALUE4 TO LT_OUTPUT_DURATION(4).
ENDIF.
WRITE ':' TO LT_OUTPUT_DURATION+5.
LD_VALUE2 = LD_MIN.
WRITE LD_VALUE2 TO LT_OUTPUT_DURATION+6(2).
WRITE ':' TO LT_OUTPUT_DURATION+8.
LD_VALUE2 = LD_SEC.
WRITE LD_VALUE2 TO LT_OUTPUT_DURATION+9(2).
LT_OUTPUT_DURATION = LT_OUTPUT_DURATION+1.
if ld_minus = true.
write '-' to lt_output_duration+1(1).
endif.
ELSE.
job running or aborted
ENDIF.
ENDFUNCTION.
Eg:2
Use the following procedure to create a function module
1.From the ABAP/4 Development Workbench screen, press the Function Library button on the Application toolbar.
2.Type the name of your function module in the Function Module field. The name must begin with Y_ or Z_.
3.Press the Create button. The Function Module Create: Administration screen is shown
4.Type the name of a function group in the Function Group field. The function group name must be four characters long and must begin with Y or Z.
5.Type an S in the Application field. This field is used to indicate which function area uses the function module. Our functionality is not used by any functional area, it is simply an example, so any choice will do. (S indicates that the function module contains functionality needed by Basis.)
6.Type a description of the function module in the Short Text field. The contents of this field are seen when displaying a list of function modules.
Press the Save button on the Application toolbar.
7.If the function group does not already exist, a pop-up informs you of that fact and asks you if you want to create it. Press the Yes button to create the function group. The Create Function Group dialog box appears. Type a description in the Short Text field and press the Save button. The Create Object Catalog Entry screen appears. Press the Local Object button. You are returned to the Function Module Change: Administration screen.
8.Press the Source Code button on the Application toolbar. The Function Module Edit screen is displayed.
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10.Press the Save button on the Application toolbar. The message Program xxxxx saved appears in the status bar at the bottom of the window.
11.Press the Back button on the Application toolbar. You are returned to the Function Library Initial screen.
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http://www.erpgenie.com/abap/bapi/example.htm

I need to create RFC function module which creates the IDOC

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Any idea how to create RFC function module which creates the outbound IDOC. If you have any sample code please forward to me.
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Sony

My Problem is
Whenever they create Invoice using T-code's like FV65(Parked Document), automatically should create IDOC's...
I have used message type FIDCC1 but this message type is usefull only for Posting documents.
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How to create function module in abap for VirtualProvider in bi

how to create function module in abap for VirtualProvider in bi ???????????????
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Moderator message : Duplicate post locked. Read forum rules before posting.
Edited by: Vinod Kumar on Jun 15, 2011 4:40 PM

Hi ,
Thanks for replies about my question??.
If i am using the exit in my char relation ship how can i debugg that exit???
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Hi Anuj,
To upload the file , you can try a standard program "RSEPSFTP" .
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FTP command- PUT
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How to develope custom function modules in SAP R/3 system to maintain c...

How to develope custom function modules in SAP R/3 system to maintain cross
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Hi Raja,
Steps to crate FM..
Follow these steps..
Go to the T: code SE37
First You Create Function Group
On That u specify
Function Group Name..............
Short Text..............................
save...
Go to SE 37
Specify the Function Module Name: Eg: Z_Bapi_Materialmaster
Short Text.......
Save...
Next Go to Attributes..
Select Radio button : Remote enabled model
Go to Parameters..
Click Import...
Give Parameter Type Associate type S.t
next Click Export...
Give Parameter Type Associate type S.t
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https://www.sdn.sap.com/irj/sdn/wiki?path=/pages/viewpage.action?pageId=39728
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/abap/bapi%2bstep%2bby%2bstep
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HOW to create a function module ..... in abap

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