Differences between BADIS and User-exits

Hi everybody,
I am new to ABAP and wonder what are the differences between BADIS and User-Exits. I read paper but did not find a SAP documentation yet.
Does anybody know where to find a sap document which explains both technologies?
Greetings, AD

Hi,
User-Exit is a specific place in a transaction-process where SAP offers
third parties to include there own business functionality. Actually
User-Exit is the namespace used for Exits programmed by SAP specifically
for SD. For the other modules it's called Customer-Exit.=20
>Business Add-Ins (BADI) =20
The use of object orientated code within SAP has lead to new method of
enhancing standard SAP code called Business Add-Ins or BADI's for short.
Although the implementation concept is based on classes, methods and
inheritance you do not really have to understand this fully to implement
a BADI.
For better understanding visit.
http://sap.ittoolbox.com/groups/technical-functional/sap-r3-dev/779183#
Hope it was useful.
Thansk,
Sandeep.

Similar Messages

Difference Between BADI and User Exits

Hi..
generally BADIs & User Exis are used exensively in SAP SD...
Can anybody throw some light waht is difference between them ...
Kindly please reply......
Regards
Nisha

Hi
ifference Between BADI and User Exits
Business Add-Ins are a new SAP enhancement technique based on ABAP Objects. They can be inserted into the SAP System to accommodate user requirements too specific to be included in the standard delivery. Since specific industries often require special functions, SAP allows you to predefine these points in your software.
As with customer exits two different views are available:
In the definition view, an application programmer predefines exit points in a source that allow specific industry sectors, partners, and customers to attach additional software to standard SAP source code without having to modify the original object.
In the implementation view, the users of Business Add-Ins can customize the logic they need or use a standard logic if one is available.
In contrast to customer exits, Business Add-Ins no longer assume a two-level infrastructure (SAP and customer solutions), but instead allow for a multi-level system landscape (SAP, partner, and customer solutions, as well as country versions, industry solutions, and the like). Definitions and implementations of Business Add-Ins can be created at each level within such a system infrastructure.
SAP guarantees the upward compatibility of all Business Add-In interfaces. Release upgrades do not affect enhancement calls from within the standard software nor do they affect the validity of call interfaces. You do not have to register Business Add-Ins in SSCR.
The Business Add-In enhancement technique differentiates between enhancements that can only be implemented once and enhancements that can be used actively by any number of customers at the same time. In addition, Business Add-Ins can be defined according to filter values. This allows you to control add-in implementation and make it dependent on specific criteria (on a specific Country value, for example).
All ABAP sources, screens, GUIs, and table interfaces created using this enhancement technique are defined in a manner that allows customers to include their own enhancements in the standard. A single Business Add-In contains all of the interfaces necessary to implement a specific task.
The actual program code is enhanced using ABAP Objects. In order to better understand the programming techniques behind the Business Add-In enhancement concept, SAP recommends reading the section on ABAP Objects.
What is difference between badi and user-exists?
What is difference between enhancements and user-exists? and what is the full form of BADI?
I have another doubt in BDC IN BDC WE HAVE MSEGCALL (i did not remember the > correct name) where the error logs are stored, MSEGCALL is a table or structure.
What is the system landscape?
1) Difference between BADI and USER-EXIT.
    i) BADI's can be used any number of times, where as USER-EXITS can be used only one time.
       Ex:- if your assigning a USER-EXIT to a project in (CMOD), then you can not assign the same to other project.
    ii) BADI's are oops based.
2) About 'BDCMSGCOLL' it is a structure. Used for finding error records.
3) Full form of BADI 'Business addins'.
3) System land scape will be depends on your project
    Ex:- 'Development server'>'Quality server'-> 'Production server'......

Diff between BADI and USER EXITs

Hi,
What is the difference between the BADI and USER EXITs?
Thanks,
Satish

HI
GOOD
Business Add-Ins are a new SAP enhancement technique based on ABAP Objects. They can be inserted into the SAP System to accommodate user requirements too specific to be included in the standard delivery. Since specific industries often require special functions, SAP allows you to predefine these points in your software.
As with customer exits two different views are available:
In the definition view, an application programmer predefines exit points in a source that allow specific industry sectors, partners, and customers to attach additional software to standard SAP source code without having to modify the original object.
In the implementation view, the users of Business Add-Ins can customize the logic they need or use a standard logic if one is available.
In contrast to customer exits, Business Add-Ins no longer assume a two-level infrastructure (SAP and customer solutions), but instead allow for a multi-level system landscape (SAP, partner, and customer solutions, as well as country versions, industry solutions, and the like). Definitions and implementations of Business Add-Ins can be created at each level within such a system infrastructure.
SAP guarantees the upward compatibility of all Business Add-In interfaces. Release upgrades do not affect enhancement calls from within the standard software nor do they affect the validity of call interfaces. You do not have to register Business Add-Ins in SSCR.
The Business Add-In enhancement technique differentiates between enhancements that can only be implemented once and enhancements that can be used actively by any number of customers at the same time. In addition, Business Add-Ins can be defined according to filter values. This allows you to control add-in implementation and make it dependent on specific criteria (on a specific Country value, for example).
All ABAP sources, screens, GUIs, and table interfaces created using this enhancement technique are defined in a manner that allows customers to include their own enhancements in the standard. A single Business Add-In contains all of the interfaces necessary to implement a specific task.
The actual program code is enhanced using ABAP Objects. In order to better understand the programming techniques behind the Business Add-In enhancement concept, SAP recommends reading the section on ABAP Objects.
What is difference between badi and user-exists?
What is difference between enhancements and user-exists? and what is the full form of BADI?
I have another doubt in BDC IN BDC WE HAVE MSEGCALL (i did not remember the > correct name) where the error logs are stored, MSEGCALL is a table or structure.
What is the system landscape?
1) Difference between BADI and USER-EXIT.
    i) BADI's can be used any number of times, where as USER-EXITS can be used only one time.
       Ex:- if your assigning a USER-EXIT to a project in (CMOD), then you can not assign the same to other project.
    ii) BADI's are oops based.
2) About 'BDCMSGCOLL' it is a structure. Used for finding error records.
3) Full form of BADI 'Business addins'.
3) System land scape will be depends on your project
    Ex:- 'Development server'>'Quality server'-> 'Production server'......
THANKS
MRUTYUN

BADI and User Exit...

Hi Guys,
From my understanding and trying out tutorials on BADI, what is the difference between BADI and User Exit?
What is the best way on how to use User Exit? There are so many user exit provided by SAP.
Thanks and appreciated.
William Wilstroth.

Hi
check this link,hopefully you will get your problem solved.
Re: User Exit / BADI
As far as What is the best way on how to use User Exit? There are so many user exit provided by SAP. is concerned. You have to choose an user exit according to your requirement. e.g MM06E005 is used to only for the purpose Customer fields in purchasing document
Hope this helps
regards
Amit
Message was edited by: Amit Kumar

BADI and User exit for MIGO item and header enhancement

We want to add three extra fields in MIGO screen for specific movement type 101 . Two fields at item level and one filed at header level .
Item level fields are independent fields it will store in separate z-table and z-field and dont't have any relation with other table .
but header field has some relation with quantity field in item level . All the item quantity has to add up in header , Is it possible to add up .
What are the BADI and user exit need to use for this enhacement and etc required details

Hi Raghavendra,
Use BAdI MB_MIGO_BADI.
It has all the methods that cater your requirement.
Try to have a design such that you can store the values within the document by enhancing the tables using Append Structures, they surely have a link with the document.
regards,
Aabhas K Vishnoi

BADI and User Exits

Hello,
Can anybody tell me what is the difference between user exit and BADI?
how we can use this two enhancement in real time project?
what is the difference between customer exit and user exit?
Thank you.

Hi ,
exact difference b/w user exits and customer exits
Customer exit and User Exit
customer exit
What is Customer Exist?
This query is one of the most frequently asked one..so please search in the forum itself for answers..reward if helpful
Regards
Byju

Help needed in BAdi and user-exits

Hi ,
 Can any one send me the procedure how to find out user-exits and about BAdi's.
Thanks in advance
Uday

hi Uday,
Welcome to SDN
here is the sample program to find the user exits
Finding the user-exits of a SAP transaction code
Finding the user-exits of a SAP transaction code
Enter the transaction code in which you are looking for the user-exit
and it will list you the list of user-exits in the transaction code.
Also a drill down is possible which will help you to branch to SMOD.
Written by : SAP Basis, ABAP Programming and Other IMG Stuff
 http://www.sap-img.com/*
report zuserexit no standard page heading.
tables : tstc, tadir, modsapt, modact, trdir, tfdir, enlfdir.
 tables : tstct.
data : jtab like tadir occurs 0 with header line.
data : field1(30).
data : v_devclass like tadir-devclass.
parameters : p_tcode like tstc-tcode obligatory.
select single * from tstc where tcode eq p_tcode.
if sy-subrc eq 0.
 select single * from tadir where pgmid = 'R3TR'
 and object = 'PROG'
 and obj_name = tstc-pgmna.
 move : tadir-devclass to v_devclass.
 if sy-subrc ne 0.
 select single * from trdir where name = tstc-pgmna.
 if trdir-subc eq 'F'.
 select single * from tfdir where pname = tstc-pgmna.
 select single * from enlfdir where funcname =
 tfdir-funcname.
 select single * from tadir where pgmid = 'R3TR'
 and object = 'FUGR'
 and obj_name eq enlfdir-area.
 move : tadir-devclass to v_devclass.
 endif.
 endif.
 select * from tadir into table jtab
 where pgmid = 'R3TR'
 and object = 'SMOD'
 and devclass = v_devclass.
 select single * from tstct where sprsl eq sy-langu and
 tcode eq p_tcode.
 format color col_positive intensified off.
 write:/(19) 'Transaction Code - ',
 20(20) p_tcode,
 45(50) tstct-ttext.
 skip.
 if not jtab[] is initial.
 write:/(95) sy-uline.
 format color col_heading intensified on.
 write:/1 sy-vline,
 2 'Exit Name',
 21 sy-vline ,
 22 'Description',
 95 sy-vline.
 write:/(95) sy-uline.
 loop at jtab.
 select single * from modsapt
 where sprsl = sy-langu and
 name = jtab-obj_name.
 format color col_normal intensified off.
 write:/1 sy-vline,
 2 jtab-obj_name hotspot on,
 21 sy-vline ,
 22 modsapt-modtext,
 95 sy-vline.
 endloop.
 write:/(95) sy-uline.
 describe table jtab.
 skip.
 format color col_total intensified on.
 write:/ 'No of Exits:' , sy-tfill.
 else.
 format color col_negative intensified on.
 write:/(95) 'No User Exit exists'.
 endif.
 else.
 format color col_negative intensified on.
 write:/(95) 'Transaction Code Does Not Exist'.
 endif.
at line-selection.
 get cursor field field1.
 check field1(4) eq 'JTAB'.
 set parameter id 'MON' field sy-lisel+1(10).
 call transaction 'SMOD' and skip first screen.
*---End of Program
To find the function exit
REPORT ZV_FIND_EXIT NO STANDARD PAGE HEADING.
TABLES : TSTC, TADIR, MODSAPT, MODACT, TRDIR, TFDIR, ENLFDIR.
TABLES : TSTCT.
DATA : JTAB LIKE TADIR OCCURS 0 WITH HEADER LINE.
DATA : FIELD1(30).
DATA : V_DEVCLASS LIKE TADIR-DEVCLASS.
PARAMETERS : P_TCODE LIKE TSTC-TCODE OBLIGATORY.
SELECT SINGLE * FROM TSTC WHERE TCODE EQ P_TCODE.
IF SY-SUBRC EQ 0.
SELECT SINGLE * FROM TADIR WHERE PGMID = 'R3TR'
AND OBJECT = 'PROG'
AND OBJ_NAME = TSTC-PGMNA.
MOVE : TADIR-DEVCLASS TO V_DEVCLASS.
IF SY-SUBRC NE 0.
SELECT SINGLE * FROM TRDIR WHERE NAME = TSTC-PGMNA.
IF TRDIR-SUBC EQ 'F'.
SELECT SINGLE * FROM TFDIR WHERE PNAME = TSTC-PGMNA.
SELECT SINGLE * FROM ENLFDIR WHERE FUNCNAME =
TFDIR-FUNCNAME.
SELECT SINGLE * FROM TADIR WHERE PGMID = 'R3TR'
AND OBJECT = 'FUGR'
AND OBJ_NAME EQ ENLFDIR-AREA.
MOVE : TADIR-DEVCLASS TO V_DEVCLASS.
ENDIF.
ENDIF.
SELECT * FROM TADIR INTO TABLE JTAB
WHERE PGMID = 'R3TR'
AND OBJECT = 'SMOD'
AND DEVCLASS = V_DEVCLASS.
SELECT SINGLE * FROM TSTCT WHERE SPRSL EQ SY-LANGU AND
TCODE EQ P_TCODE.
FORMAT COLOR COL_POSITIVE INTENSIFIED OFF.
WRITE:/(19) 'Transaction Code - ',
20(20) P_TCODE,
45(50) TSTCT-TTEXT.
SKIP.
IF NOT JTAB[] IS INITIAL.
WRITE:/(95) SY-ULINE.
FORMAT COLOR COL_HEADING INTENSIFIED ON.
WRITE:/1 SY-VLINE,
2 'Exit Name',
21 SY-VLINE ,
22 'Description',
95 SY-VLINE.
WRITE:/(95) SY-ULINE.
LOOP AT JTAB.
SELECT SINGLE * FROM MODSAPT
WHERE SPRSL = SY-LANGU AND
NAME = JTAB-OBJ_NAME.
FORMAT COLOR COL_NORMAL INTENSIFIED OFF.
WRITE:/1 SY-VLINE,
2 JTAB-OBJ_NAME HOTSPOT ON,
21 SY-VLINE ,
22 MODSAPT-MODTEXT,
95 SY-VLINE.
ENDLOOP.
WRITE:/(95) SY-ULINE.
DESCRIBE TABLE JTAB.
SKIP.
FORMAT COLOR COL_TOTAL INTENSIFIED ON.
WRITE:/ 'No of Exits:' , SY-TFILL.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(95) 'No User Exit exists'.
ENDIF.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(95) 'Transaction Code Does Not Exist'.
ENDIF.
AT LINE-SELECTION.
GET CURSOR FIELD FIELD1.
CHECK FIELD1(4) EQ 'JTAB'.
SET PARAMETER ID 'MON' FIELD SY-LISEL+1(10).
CALL TRANSACTION 'SMOD' AND SKIP FIRST SCREEN.
or
1. in se11, goto table MODSAP
View table contents
2. in Type field, enter 'E' (for function exit)
3. For that tcode, u should know the program name.
eg. SAPLLMOB
4. then type SAPLLMOB and execute
or
REPORT z34331_user_exit .
TABLES : tstc, "SAP Transaction Codes
tadir, "Directory of Repository Objects
modsapt, "SAP Enhancements - Short Texts
modact, "Modifications
trdir, "System table TRDIR
tfdir, "Function Module
enlfdir, "Additional Attributes for Function Modules
tstct. "Transaction Code Texts
DATA : jtab LIKE tadir OCCURS 0 WITH HEADER LINE.
DATA : field1(30).
DATA : v_devclass LIKE tadir-devclass.
SELECTION-SCREEN BEGIN OF BLOCK a01 WITH FRAME TITLE text-001.
SELECTION-SCREEN SKIP.
PARAMETERS : p_tcode LIKE tstc-tcode OBLIGATORY.
SELECTION-SCREEN SKIP.
SELECTION-SCREEN END OF BLOCK a01.
START-OF-SELECTION.
Validate Transaction Code
SELECT SINGLE * FROM tstc
WHERE tcode EQ p_tcode.
Find Repository Objects for transaction code
IF sy-subrc EQ 0.
SELECT SINGLE * FROM tadir
WHERE pgmid = 'R3TR'
AND object = 'PROG'
AND obj_name = tstc-pgmna.
MOVE : tadir-devclass TO v_devclass.
IF sy-subrc NE 0.
SELECT SINGLE * FROM trdir
WHERE name = tstc-pgmna.
IF trdir-subc EQ 'F'.
SELECT SINGLE * FROM tfdir
WHERE pname = tstc-pgmna.
SELECT SINGLE * FROM enlfdir
WHERE funcname = tfdir-funcname.
SELECT SINGLE * FROM tadir
WHERE pgmid = 'R3TR'
AND object = 'FUGR'
AND obj_name = enlfdir-area.
MOVE : tadir-devclass TO v_devclass.
ENDIF.
ENDIF.
Find SAP Modifactions
SELECT * FROM tadir
INTO TABLE jtab
WHERE pgmid = 'R3TR'
AND object = 'SMOD'
AND devclass = v_devclass.
SELECT SINGLE * FROM tstct
WHERE sprsl EQ sy-langu
AND tcode EQ p_tcode.
FORMAT COLOR COL_POSITIVE INTENSIFIED OFF.
WRITE:/(19) 'Transaction Code - ',
20(20) p_tcode,
45(50) tstct-ttext.
SKIP.
IF NOT jtab[] IS INITIAL.
WRITE:/(95) sy-uline.
FORMAT COLOR COL_HEADING INTENSIFIED ON.
WRITE:/1 sy-vline,
2 'Exit Name',
21 sy-vline ,
22 'Description',
95 sy-vline.
WRITE:/(95) sy-uline.
LOOP AT jtab.
SELECT SINGLE * FROM modsapt
WHERE sprsl = sy-langu AND
name = jtab-obj_name.
FORMAT COLOR COL_NORMAL INTENSIFIED OFF.
WRITE:/1 sy-vline,
2 jtab-obj_name HOTSPOT ON,
21 sy-vline ,
22 modsapt-modtext,
95 sy-vline.
ENDLOOP.
WRITE:/(95) sy-uline.
DESCRIBE TABLE jtab.
SKIP.
FORMAT COLOR COL_TOTAL INTENSIFIED ON.
WRITE:/ 'No of Exits:' , sy-tfill.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(95) 'No User Exit exists'.
ENDIF.
ELSE.
FORMAT COLOR COL_NEGATIVE INTENSIFIED ON.
WRITE:/(95) 'Transaction Code Does Not Exist'.
ENDIF.
Take the user to SMOD for the Exit that was selected.
AT LINE-SELECTION.
GET CURSOR FIELD field1.
CHECK field1(4) EQ 'JTAB'.
SET PARAMETER ID 'MON' FIELD sy-lisel+1(10).
CALL TRANSACTION 'SMOD' AND SKIP FIRST SCREEN.
if u find it useful plz markt the points
Regards,
Naveen

Badi and user exit active at the same time ?

Hi All,
Please let me know whether
1> I can have a BADI and a user exit both active at the same time for the same enhancement?
2> I can have a BADI and a user exit both active at the same time but they are for different purpose.
    eg: BADI       -- > to change statistical date of po item line on ME21N screen
          User Exit -- > to change the exchange rate on PO header on me21n screen
Please response to the second point... as this is what I am working on.
Regards,
Shital

Hello,
Thanks for your response.This is my code.
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                       CALL METHOD im_header->set_data
                            EXPORTING
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Kind Regards,
Shital

Differences between BAdI and Enhancement Point

Hi Experts,
The version of system I used is ECC 6.0, as locating T-code SE18,I find two field areas:Enhancement Point and BAdI.Could you tell me the differences between the two ?

Check
https://forums.sdn.sap.com/click.jspa?searchID=12147590&messageID=5161143
https://forums.sdn.sap.com/click.jspa?searchID=12147579&messageID=5375758
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Badi and User Exit for AS01

Hi Gurus,
I need your assistance for the below requirement.
In AS01 ( Create Asset ), while creating ASSET the Equipment should be created. This syncronization is already done in the customization.
1.The requirement is the Equipment Field in the ALLOCATION Tab should automatically get the Asset Number Value once we click the ALLOCATION Tab.
2.And also the Equipment should be created only if the Evaluation Group 2 is 'Y'.
i checked all the Exits and BADI's available. But my requirement is not met. please help me in this.

Hi,
Transaction Code -               AS01          Create Asset Master Record
     Exit Name
     AAPM0001               Integration of asset accounting and site maintenance
     AFAR0003               External changeover method
     AFAR0004               Determination of proportional values for retirement
     AINT0004               Change amount posted for certain areas
     AINT0005               Dummy for extended syntax check. Do not use.
     AISA0001               Assign Inventory Number
     AIST0001               Exchange number range in master data maintenance
     AIST0002               Customer fields in asset master
     AMSP0002               Determine relationship type for two company codes
     TRAN0001               User exit for asset transfer
Reward points if useful....
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AK

Difference between administrators and users

Hi,
I just created a new site for my client on Business Catalyst, using Adobe Muse, and would like to give my client acces to the sites tools. The site has settings for creating User Roles. What is the difference between an Administrator role and a User role. Are there limits on how many Administrators and/or Users there can be? Thanks.
Edit: I think I'm getting a few ideas on how it works from this link http://helpx.adobe.com/business-catalyst/using/site-users.html#id_37324 but still not sure. I gather from the thread that there is a limit of 3 administrators. Does this include administrators plus users to total 3? Thanks.
Barbara

"Administrators" and "Users" are two different (and default) User Roles <http://helpx.adobe.com/business-catalyst/using/user-roles.html> on a BC site that distinguishes between a site admin/user's role or access permissions. Every BC site irrespective of it's plan has 3 admin/site users <http://www.businesscatalyst.com/pricing/monthly> that can be later upgraded to a higher number from the Partner portal for non-trial sites that are under BC standalone subscription <http://helpx.adobe.com/business-catalyst/kb/detailed-plan-breakdown.html#id_32561>.
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Standard Function Modules, BAPIs, BADIs and User Exits in OM

How do I check what are the Standard Function Modules / BAPIs in OM or any HR sub modules like PA, Comp, TEM etc..

use Tcode BAPI and navigate to relevant module.
for FM go to se37 and search with HR* or RH*

Differences between attribute and user defined attributes

1.what is commit block

When uncommitted access is enabled (by default)
Commit Block - number of blocks modified before a sycornization point occurs
Relates to how calc scripts are processed and written to the database during a transaction.
If this setting is too low, Essbase will automatically adjust it.
Default setting is 3000.
Brian Chow

What is the main difference between Enhancements and BADI.?

What is the main difference between Enhancements and BADI.?plzz tell
Edited by: Alvaro Tejada Galindo on Feb 13, 2008 3:48 PM

CMOD is the Project Management of SAP Enhancements (i.e., SMOD Enhancements). SMOD contains the actual enhancements and CMOD is the grouping of those SMOD enhancements.
Difference Between BADI and User Exits
BADI's can be used any number of times, where as USER-EXITS can be used only one time.
Ex:- if your assigning a USER-EXIT to a project in (CMOD), then you can not assign the same to other project.
BADI's are oops based.
Business Add-Ins are a new SAP enhancement technique based on ABAP Objects. They can be inserted into the SAP System to accommodate user requirements too specific to be included in the standard delivery. Since specific industries often require special functions, SAP allows you to predefine these points in your software.
As with customer exits two different views are available:
In the definition view, an application programmer predefines exit points in a source that allow specific industry sectors, partners, and customers to attach additional software to standard SAP source code without having to modify the original object.
In the implementation view, the users of Business Add-Ins can customize the logic they need or use a standard logic if one is available.
In contrast to customer exits, Business Add-Ins no longer assume a two-level infrastructure (SAP and customer solutions), but instead allow for a multi-level system landscape (SAP, partner, and customer solutions, as well as country versions, industry solutions, and the like). Definitions and implementations of Business Add-Ins can be created at each level within such a system infrastructure.
SAP guarantees the upward compatibility of all Business Add-In interfaces. Release upgrades do not affect enhancement calls from within the standard software nor do they affect the validity of call interfaces. You do not have to register Business Add-Ins in SSCR.
The Business Add-In enhancement technique differentiates between enhancements that can only be implemented once and enhancements that can be used actively by any number of customers at the same time. In addition, Business Add-Ins can be defined according to filter values. This allows you to control add-in implementation and make it dependent on specific criteria (on a specific Country value, for example).
All ABAP sources, screens, GUIs, and table interfaces created using this enhancement technique are defined in a manner that allows customers to include their own enhancements in the standard. A single Business Add-In contains all of the interfaces necessary to implement a specific task.
The actual program code is enhanced using ABAP Objects. In order to better understand the programming techniques behind the Business Add-In enhancement concept, SAP recommends reading the section on ABAP Objects.

Difference between Userexit and BADI

can any one explains about the difference between Userexit and BADI and BAPI & BADI..
how to process Error Codes in ALE?

BADI is just an object-oriented version of user-exit. Instead of entering program code into some function module (as in customer-exit), you define some class which has to implement predefined methods and those methods are fired at predefined points just like an old user-exit. Some BADI can have multiple independent implementations which is much better for software deployment as several developers can implement the same BADI independently.
BADI is technology of user exit? and BAPI is technology of aplication interface.
U can use BAPIs for create a material, for example.
Difference Between BADI and User Exits
Business Add-Ins are a new SAP enhancement technique based on ABAP Objects. They can be inserted into the SAP System to accommodate user requirements too specific to be included in the standard delivery. Since specific industries often require special functions, SAP allows you to predefine these points in your software.
As with customer exits two different views are available:
In the definition view, an application programmer predefines exit points in a source that allow specific industry sectors, partners, and customers to attach additional software to standard SAP source code without having to modify the original object.
In the implementation view, the users of Business Add-Ins can customize the logic they need or use a standard logic if one is available.
In contrast to customer exits, Business Add-Ins no longer assume a two-level infrastructure (SAP and customer solutions), but instead allow for a multi-level system landscape (SAP, partner, and customer solutions, as well as country versions, industry solutions, and the like). Definitions and implementations of Business Add-Ins can be created at each level within such a system infrastructure.
SAP guarantees the upward compatibility of all Business Add-In interfaces. Release upgrades do not affect enhancement calls from within the standard software nor do they affect the validity of call interfaces. You do not have to register Business Add-Ins in SSCR.
The Business Add-In enhancement technique differentiates between enhancements that can only be implemented once and enhancements that can be used actively by any number of customers at the same time. In addition, Business Add-Ins can be defined according to filter values. This allows you to control add-in implementation and make it dependent on specific criteria (on a specific Country value, for example).
All ABAP sources, screens, GUIs, and table interfaces created using this enhancement technique are defined in a manner that allows customers to include their own enhancements in the standard. A single Business Add-In contains all of the interfaces necessary to implement a specific task.
The actual program code is enhanced using ABAP Objects. In order to better understand the programming techniques behind the Business Add-In enhancement concept, SAP recommends reading the section on ABAP Objects.
Regards,
Pavan

Differences between BADIS and User-exits

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