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1. Validation &
Substitutions ......GGB4

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Validation(GGB0): Validation, which validates the values entered by the user.
Substitution(GGB1) : Substitution, which substitutes the correct values by removing the wrong
values entered by the user.
Activation of Validation -> OB28
Activation of Substitution -> OBBH
=================================================================
Validation : Validation we can apply at Document header , line item, Complete
document , Master data level.

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Validation Example : company code : 1111 &TAMO for Business area 1111 or
111A only .
==================================================================
Apply in IDES server in Prerequisite place change only company code '1111' and
'TAMO ,
Apply in IDES server Check step Business area : 1111, 111A.
Perquisite step:
BKPF-BUKRS = '1111' OR BKPF-BUKRS = 'TAMO'
Check step:
BSEG-GSBER = '1111' OR BSEG-GSBER = '111A'
Message step:
In this assign Message type , Message number ,Message text and Message
variables .

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T.CODE: SE91 Message Class Creation

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Double click on Accounting Document Header
Click on find button search technical field name
Back Button or Previous level

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Double click on Accounting Documet Segment

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Double click on ABAP System Fields :

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Test : T.code: FB50

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For validations Breakpoint :
================================================================

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Substitution : Substitution we can apply at Document header , line item, Complete
document , Master data, Order level.
Apply in IDES server in Prerequisite place change only company code 'ABCD'
BKPF-BLART = 'SA' AND BSEG-KOART = 'S' AND
BSEG-BUKRS = '1111'
We can apply at each sub module level like asset accounting , cost accounting , financial accounting and
profit center accounting .

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Click on Insert subst.entry button

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1) Constant value = Like any Profit center , Business area ,Functional Area .
2) Exit = Exit to apply
3) Field- Field Assignment

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Activation of Substitution -> OBBH
Testing Part:
T.code: FB50

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Transporting Validation :
Validation objects are workbench object

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Substitution Transport Process :

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Validation & Substitution Logics :
The user exits are available for Substitutions:-
1. GCX2 is the tcode for Assignment.
2. FIFB is the code for BTE assignment.
3. GB01 is the table for boolean data information
Validation requirements are quite complex and cannot be done using the standard validation config.
RGGBR000 Validation exits
RGGBS000 Substitution exits

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T.CODE : GCX2

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http://wiki.scn.sap.com/wiki/display/ABAP/Substitution+Rule(User+Exit)+in+FI+-
+FB60+for+Partner+Bank+Type
( The above link example of substitution user exit )
More Example of validation and Substitution :
=================================================================================
Prerequisite: BKPF-BLART='KR' OR BKPF-BLART='RE'
Validation : Not (BSEG-MWSKZ='V1' OR BSEG-MWSKZ='V2'
Message : " Please do not use old tax codes"
=================================================================================
Validation and substitution Tables :
validation & substitution - transaction variant
Restricting/Unrestricting Fields for Substitutions and Validations
Thank You
for Your Time !