Value Mapping and Lookups

Hi all,
I know something about Value Mapping.
And I heard that the Lookups (DB and RFC) are types of Value Mapping.
I am confused how value mapping is related to lookups.
Request you all to provide me some information regd.this.
Thank you.
Regards
Krishna.

Hi,
All the links above are quite useful in understanding Value Mapping and RFC lookups.
Both solutions could be used for getting values from R3 tables at runtime. However, there's difference in way both operate.
RFC lookup is performed at runtime, since it is executed from the UDF in message mapping. Thus at runtime, call is made to R3 table and value is fetched.
In value mapping replication, Value Mapping program is run from SAP R3 and values from table are updated in XI Runtime Cache. Thus at runtime, while performing message mapping, call to R3 system is not made. Values are available in XI cache.
Thus, it is quite obvious that Value Mapping is more performace efficient since it doesn't make a call to SAP R3 system for each incoming message. If the table data does not change very frequently(since for every change value mapping scenario has to be run for update of XI cache), and it is not very large, then it is a good option as compared to RFC lookup.
However, in cases where either data is frequently changing in table or the volume of data is too large, RFC lookup should be prefered choice.
Hope it would be helpful.
Thanks,
Bhavish
Kindly award points if comments are useful

Similar Messages

Need of value mapping and fixed values in (conversions)under graphical map

hi.
helo all.
i just want to know what is the need of value mapping and fixed values in (conversions)under graphical mappping.
can any body explain me with real time example .
waiting for your response.
bye.
regards.
seeta ram.

Hi Seetha Ram,
Value mapping: Where we maintain a table of values which are mapped.
based on the incoming value we can send the respective resultant value.
for Eg: for language SAP maintains as EN --> English etc
can u refer these
http://help.sap.com/saphelp_nw04/helpdata/en/2a/9d2891cc976549a9ad9f81e9b8db25/frameset.htm
Re: Value mapping table
Thanks and Regards
Harsha Vardhan.P
**Reward points if found useful**

Value Mapping and graphical mapping

Hi all
I am learning value mapping and
all function used in graphical mapping ..
can anybody send me inforamtion regarding tht.
Any link appericiated.

Hi Nagsen,
Mapping is basically done to convert one form of xml into another form. This can be done using either of them mentioned below.
- Graphical mapping
- XSLT mapping
- JAVA mapping
- ABAP mapping
To know more about each of them please go thru the following links. And if you ask me your which is better, it depends basically on the scenario you implementing and the complexity involved. Anyways please go thru the following links:
Graphical mapping
/people/bhanu.thirumala/blog/2006/02/02/graphical-message-mapping-150-text-preview
http://www.sapgenie.com/netweaver/xi/mapping1.htm
/people/alessandro.guarneri/blog/2006/01/26/throwing-smart-exceptions-in-xi-graphical-mapping
XSLT mapping
http://help.sap.com/saphelp_nw04/helpdata/en/73/f61eea1741453eb8f794e150067930/content.htm
JAVA mapping
http://help.sap.com/saphelp_nw04/helpdata/en/e2/e13fcd80fe47768df001a558ed10b6/content.htm
ABAP mapping
/people/r.eijpe/blog
To know more about the value mapping tools for the SAP Exchange Infrastructure (XI), please go thru the following link:
http://www.applicon.dk/fileadmin/filer/XI_Tools/ValueMappingTool.pdf
To get an idea as to what value mapping is, please go thru the following links:
http://help.sap.com/saphelp_nw04/helpdata/en/13/ba20dd7beb14438bc7b04b5b6ca300/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/f2/dfae3d47afd652e10000000a114084/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/2a/9d2891cc976549a9ad9f81e9b8db25/content.htm
most of the links that I have provided also helps you get the step by step procedure of doing the same. And also involves the procedure to implement certain advanced features.
Hope this clears your doubt fully.
Regards,
Abhy
PS: AWARD POINTS FOR HELPUL ANSWERS.

Value mapping and fixvalues

can any one differentiate value mapping and fixvalues..........
because both are doing the same function....

Here's a list of the main differences between the tools:
- Within Value Mapping you can specify the keys (Agency and Scheme) to access your tables which adds more flexibility to the tool.
- Contrary to the FixValues function, the table content of Value Mappings is not bound to a specific Message Mapping, but can be used in multiple mappings
- Value Mapping tables can be used by multiple mapping techniques (Message Mappings, Java mappings and XSLT mappings)
- The Value Mapping tables can be filled on the fly using the Value Mapping Replication interface.
check this:
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/9202d890-0201-0010-1588-adb5e89a6638
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/9202d890-0201-0010-1588-adb5e89a6638
page num 76 to 80 to understand it.
Message was edited by:
Nisar Khan

Value Mapping and Dynamic Value Mapping

Hi Experts,
Could you please give a example for Value Mapping and Dynamic Value Mapping?
Regards
Sara

Sara,
I am assuming that you are going to use the Receiver JDBC adapter to select the data from the database.
In this case, take a look at this blog of mine to understand how te dataypes should be created for the request and response JDBC Select Query.
/people/bhavesh.kantilal/blog/2006/07/03/jdbc-receiver-adapter--synchronous-select-150-step-by-step
The only difference would be that in the mapping when you create the Request Message for the JDBC adapter, the columns you create would be determined from the Source,
i.e, if value = 1 , only the required Columns should be mapped as Blank constants,
likewise for the other requirement.
the columns you do not want to select you should not create them in theoutput of your request mapping.
Regards
Bhavesh

MDIS Value Map and Add

I know this has been discussed but I'm running into a peculiar problem.
For Default MDIS Handling:
Automap unmapped values: Yes
Unmapped value handling: Add
I'm trying to import into Catalog Items table.
The field Supplier is setup with 2 display fields: ID and Name.
The field Product Group is setup with 2 display fields: ID and Name.
The field Category is setup with 2 display fields: ID and Name.
Category ID and Product Group ID are the same value, the ECC Material Group #.
The ECC extract only has the ID's for all 3 fields, and I'm getting 3 different types of behaviors.
Automap for all 3 fields should NOT happen, since the source only has the ID, where as the destination has ID and Name. And I have not saved any template in the mapping as suggested by other posts.
Supplier mapping fails, and the unmapped values are not added to the Supplier table, creates ValueX exception.
Product Group automap is successful (I'm not too sure why), even though the source only has the ID.
Category mapping fails, and the unmapped values are ADDED to the Categories table.
So 3 fields and 3 different kinds of mapping behavior. Any clues?
Thanks.

Dear derek
Automap for all 3 fields should NOT happen, since the source only has the ID, where as the destination has ID and Name. And I have not saved any template in the mapping as suggested by other posts.
Assuming these 3 fields are lookup tables, thenThis will happen if the remote key mapping is enabled for these tables. let me explain further-when you imported for the first time in these tables data from remote system for each record a remote key was created which is unique for the table.
This enables auto mapping oif the values even if all the display fields are not present and we need not combine/partition the fields.
What is Catergory field type? If this is hierarchy table check again the import map configuration what is the setting for handling unmapped hierarchy nodes. you may get the answer.
regards
Ravi

Fixed value mapping

Any one there to explain me what is fixed value mapping Coz when i used LOOK UPS , they told me you can used fixed value mapping instead of it , as i was having only to values , please send me a detail explanation abt it thanking you
sridhar

There is a lot of difference between fixed value mapping and Lookup:
Fixed value mapping is used when you need to populate the some differnt target value based on some inpur value.
Take example
I have used fixed value M:
My input is ABC
Now for this input I wanted to poupulate some different values.
Suppose when A comes in File it should map the target value to America.
When B come it should map to Belgium
and C -> California
Now come to Looup:
What is Lookup and why we need:
Within an XI mapping it is a common requirement to be able to perform data lookups on-the-fly. In particular, there may be a need to look up some data that is maintained in an R/3 application.
In the error handling topic we have seen the different validations which need to be performed on file. This can be done through Lookup.
Some use cases:
Look up material number from table MARA.
Look up cost center budget.
Look up employee information.
Look up unit-of-measure (UOM) information from table t006a.
Lookup for raising an alert.
The purpose of the lookup may be:
To perform application-level validation of the data, before sending it to the backend.
To populate fields of the XML document with some additional data found in the backend application.
This is a form of value transformation.
The "value mappings" offered by XI are not adequate in this case, since the data would have to be manually entered in the Integration Directory.
There are two ways in which we can do lookup:
Call lookup method from GUI mapping.
Call lookup method from XSLT mapping.
I think u got ur answer
Thnx
Chirag

Value Mappings and Mapping lookups?

Hi Experts,
I've came across a thread on SDN which is mention below.
value mapping
can anyone explain me what is value mapping and fix mappings and why we need them and wht is mapping lookups?
plz refer some weblogs which can explains in detail about value mappings, fixed mappings and mapping lookups?
pts will b rewarded
thanks
Faisal

Hi,
Hope this information is useful to you..
Value Mapping Blogs.
/people/community.user/blog/2007/01/08/valuemapping-using-the-graphical-mapping-tool
/people/sreekanth.babu2/blog/2005/02/23/value-mapping-replication
Mapping look up API
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/xi/xi-code-samples/mapping%20lookups:%20RFC%20API.pdf
what is lookups
Lookups are used to identify / request the data from mapping , i mean interupting the process and looking for data which was stored in some where and get that data and comback to process and continue with that data.
why we can use for lookups.
We will use these type of lookups in Message mapping for refering DB Lookup for data base which is not SAP, RFC lookups for SAP data
Look up tables
In the error handling topic we have seen the different validations which need to be performed on file.
This can be done through Lookup.
Some use cases:
Look up employee information.
Lookup for raising an alert.
The purpose of the lookup may be:
To perform application-level validation of the data, before sending it to the backend.
To populate fields of the XML document with some additional data found in the backend application.
There are two ways in which we can do lookup:
Call lookup method from GUI mapping.
Call lookup method from XSLT mapping.
Some useful blogs...
/people/shabarish.vijayakumar/blog/2006/02/13/unable-to-open-iresrid-xipipi-71-updated-for-pi-71-support
Lookup - /people/alessandro.guarneri/blog/2006/03/27/sap-xi-lookup-api-the-killer
DB lookup - /people/siva.maranani/blog/2005/08/23/lookup146s-in-xi-made-simpler
SOAP Lookup - /people/bhavesh.kantilal/blog/2006/11/20/webservice-calls-from-a-user-defined-function
http://help.sap.com/saphelp_nw04/helpdata/en/cf/406642ea59c753e10000000a1550b0
Lookups in XI made simpler - /people/siva.maranani/blog/2005/08/23/lookup146s-in-xi-made-simpler
How to check JDBC SQL Query Syntax and verify the query results inside a User Defined Function of the Lookup API -
http://help.sap.com/saphelp_nw04/helpdata/en/2e/96fd3f2d14e869e10000000a155106/content.htm
/people/prasad.illapani/blog/2006/10/25/how-to-check-jdbc-sql-query-syntax-and-verify-the-query-results-inside-a-user-defined-function-of-the-lookup-api
Lookups - /people/morten.wittrock/blog/2006/03/30/wrapping-your-mapping-lookup-api-code-in-easy-to-use-java-classes
Lookups - /people/alessandro.guarneri/blog/2006/03/27/sap-xi-lookup-api-the-killer
/people/siva.maranani/blog/2005/08/23/lookup146s-in-xi-made-simpler
http://help.sap.com/saphelp_nw04/helpdata/en/cf/406642ea59c753e10000000a1550b0/content.htm
/people/sap.user72/blog/2005/12/06/optimizing-lookups-in-xi
Lookups with XSLT - https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/8e7daa90-0201-0010-9499-cd347ffbbf72
/people/sravya.talanki2/blog
/people/siva.maranani/blog/2005/08/23/lookup146s-in-xi-made-simpler
/people/sravya.talanki2/blog/2005/12/21/use-this-crazy-piece-for-any-rfc-mapping-lookups
/people/alessandro.guarneri/blog/2006/03/27/sap-xi-lookup-api-the-killer
/people/sap.user72/blog/2005/12/06/optimizing-lookups-in-xi
/people/morten.wittrock/blog/2006/03/30/wrapping-your-mapping-lookup-api-code-in-easy-to-use-java-classes
Thanks,
Satya..
Reward points if it is useful..

Value mapping with some return values

Hi Experts,
    I am facing value mapping problem.
My requirment was My source elemnet having 4 value mapping(Key and Values) and also if not passing that 4 keys also it will display same thing in my reciver.
    Can Anybody please suggest me how can i handle this situvation.
(01 02
02 03
04 05
06   08)
this are the value mapping .out of this if iam passing any like(00 it will goes to dn field).This is my requirment.Can u please let me know how can i handle tthis.

Hi,
For you Requirement Please use USE key option.
In graphical mapping when you will select valuemapping function then you can see the
"Behaviour if lookup fails " option
Double click on the value mapping function to see this options.
There 3 options for lookup fails:
1)USE KEY
2)throw Exception
3)Use default value
you can select use key for your requirement.
If you pass 00 as input to value mapping and it unable to find any value in value mapping for 00.
then it will pass 00 to the targhet without any conversion(in case of use key option)
If you pass 01 then it wiill do value mapping and send 02 to target.

Regarding Value Mapping

Hi,
Iam doing a scenario which deals with value mapping,and there are duplicate values in destination for different sources.I have created a Group for all repeating values in destination,and i have used that name to map for different sources.But my scenario is not working as desired.What do i do?

Hi
You may not be using value mapping for its intended purpose. It should be used to map between different ID schemes for the same entities, such as companies, persons etc. An ID for such an entity must always be unique, or it would be of no good use. And then you cannot have duplicate target values, because you would then get an ambiguity if you were to map in the other direction.
But sometimes you really need value mappings just in order to make something configurable rather than hard coded into a message mapping. This is when you run into this sort of problem. For example:
Jim -> Manager
Bob -> Employee
Sue -> Employee
The job title is NOT an ID, and certainly not unique. As you can see you cannot map backwards from "Employee" to a unique target value.
I think you might be better off using the mapping lookup API. If you don't want to go this way, you could of course do a hack, such as
Jim -> Manager_1
Bob -> Employee_1
Sue -> Employee_2
and then afterwards remove the underscore + suffix.
Regards
Jorgen

Domain Value Mapping with Text file

Hai,
I have done the Domain value mapping with the xml file to xml file and it is working fine.
But in the case of Text file to Text file it is not working i.e. If the citiname is the
first field it is domain value mapping and working fine.
INPUT:
Erode, Mahes, 22
Coimbatore, Veera, 22
OUTPUT:
ED, Mahes, 22
CBE, Veera, 22
But if I change the Citiname to the second column it is not working the problem is
it is not working for subsequent columns.
INPUT:
Mahes, Erode, 22
Veera, Coimbatore, 22
OUTPUT:
Mahes,, 22
Veera,, 22
The input Text files are delimited by "comma" and optionally enclosed by "space".
Does anyone have attained the DVM in the Text file successfully.
Please help me.

Thank you for the reply Abhi
Text to Text means instead of giving the input file as XML file i am giving the input as a simple .txt file and I also want the output in the .txt format.
For the text file only it is not working fine in the xml file to xml file it is working fine.
For your another query I am not providing the correct parameters for "lookup-dvm"
I am giving the xsl file
<?xml version="1.0" encoding="UTF-8" ?>
<?oracle-xsl-mapper

<mapSources>
<source type="WSDL">
<schema location="TextInput1.wsdl"/>
<rootElement name="Root-Element" namespace="http://TargetNamespace.com/TextInput1"/>
</source>
</mapSources>
<mapTargets>
<target type="WSDL">
<schema location="TextOutput1.wsdl"/>
<rootElement name="Root-Element" namespace="http://TargetNamespace.com/TextInput1"/>
</target>
</mapTargets>

?>
<xsl:stylesheet version="1.0"
xmlns:bpws="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:plt="http://schemas.xmlsoap.org/ws/2003/05/partner-link/"
xmlns:pc="http://xmlns.oracle.com/pcbpel/"
xmlns:ehdr="http://www.oracle.com/XSL/Transform/java/oracle.tip.esb.server.headers.ESBHeaderFunctions"
xmlns:ns0="http://www.w3.org/2001/XMLSchema"
xmlns:jca="http://xmlns.oracle.com/pcbpel/wsdl/jca/"
xmlns:hwf="http://xmlns.oracle.com/bpel/workflow/xpath"
xmlns:imp1="http://TargetNamespace.com/TextInput1"
xmlns:tns="http://xmlns.oracle.com/pcbpel/adapter/file/TextInput1/"
xmlns:xp20="http://www.oracle.com/XSL/Transform/java/oracle.tip.pc.services.functions.Xpath20"
xmlns:xref="http://www.oracle.com/XSL/Transform/java/oracle.tip.xref.xpath.XRefXPathFunctions"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:ora="http://schemas.oracle.com/xpath/extension"
xmlns:ids="http://xmlns.oracle.com/bpel/services/IdentityService/xpath"
xmlns:orcl="http://www.oracle.com/XSL/Transform/java/oracle.tip.pc.services.functions.ExtFunc"
xmlns:hdr="http://xmlns.oracle.com/pcbpel/adapter/file/"
xmlns:ns1="http://xmlns.oracle.com/pcbpel/adapter/file/TextOutput1/"
exclude-result-prefixes="xsl plt pc ns0 jca imp1 tns hdr ns1 bpws ehdr hwf xp20 xref ora ids orcl">
<xsl:template match="/">
<imp1:Root-Element>
<xsl:for-each select="/imp1:Root-Element/imp1:Leaf-Element">
<imp1:Leaf-Element>
<imp1:C1>
<xsl:value-of select="imp1:C1"/>
</imp1:C1>
<imp1:C2>
<xsl:value-of select='orcl:lookup-dvm("Citinames","Long",imp1:C2,"Short","")'/>
</imp1:C2>
<imp1:C3>
<xsl:value-of select="imp1:C3"/>
</imp1:C3>
</imp1:Leaf-Element>
</xsl:for-each>
</imp1:Root-Element>
</xsl:template>
</xsl:stylesheet>
Here I am checking the DVM function for the Second column and it is not working and I have given their Inputs and Outputs in my first message .
I have another question as you told both import and export of the DVM is always in the XML format only so I have a doubt whether the lookup-dvm will be working for xml files only and not for text files.
But in my case in text file it is working for the first column but not in the subsequent columns.
Thanks.

Dynamic value mapping

hi,
can u plz explain about Dynamic value mapping and where it actually use this
thanks
guna

Hi ,
Dynamic value mapping.is nothing but
It is FixValues and ValueMapping under Conversion Functions.
Eg:
You need such a requirement. Where the values in the source are mapped to someother value in the target as below.
1--> Mr
2--> MS
3--> MRS
FixValues is used when you know the entire set of Key value pair in the Design Time. You give the Key and the value in the FixValues and the mapping checks and maps the values to the target.
In the case of Value mapping, you maintain this Key - Value pair in the Integration Directory and thereby make changes easily and also use them in the Mapping in IR
Refer These blogs
ValueMapping using the Graphical Mapping Tool -value mapping using grapic mapping tool
Value Mapping replication - value mapping replication
Accessing Value Mapping defined in Directory using Java functions - accesing value mapping
Dynamic Date Conversion in Message Mapping - dynamic date conversion
Dynamic Configuration of Some Communication Channel Parameters using Message Mapping - dynamic confighuration
Dynamic file name(XSLT Mapping with Java Enhancement) using XI 3.0 SP12 Part -II - dynamic file name
and also
Refer this link
http://help.sap.com/saphelp_nw2004s/helpdata/en/d7/e551cf896c3a49bb87bb4ce38c99c8/frameset.htm - external context mapping
Regards,
Suryanarayana

Value mapping in ABAP Versus ID

Hi Gurus,
As Value mapping can be done using ABAP mapping and Also in Integration Directory...
Can Any one tell me what is the exact difference Between these.....
Regards,
Sainath chutke

hi,
in my opinion there is hudge difference between using
standard value mapping and mapping in abap mapping
- standard value mapping is very strick and does not allow
to have many to one mappings (which is very often the case)
- standard value mappings offers a limited sets of actions you can perform
to update the data (value mapping replication) which
is not always convinient to use
I try not to use value mappings as much as I can
as there are many other ways (like abap mappings) to do
simple, nice and easy to maintain value mappings
Regards,
Michal Krawczyk

Value mapping does not work

Hi All,
I can not get value mapping in XI 3.0 to work. Has anyone experience with this, the documentation is soo bad. This is what I have done:
In the Graphical mapper I used the object "Value mapping" and filled in the following parameters:
Value mapping context: http://sap.com/xi/XI
Source
Agency: System1
Schema: UnitSystem1
Target
Agency: System2
Schema: UnitSystem2
In the directory I created an Value mapping table with the same paremeters as above and filled in the table.
When I test the complete flow, the value mapping is not used. The unchanged values are just copied over to the target field.
Any help is appreciated.
Cheers,
Frank

Hi Colin,
In test Mode you can't test the value mapping, because the value mapping table is part of the Directory. Instead of the Value Mapping I tried "Fixed Values" and that works, but you can not re-used it.
If this advanced mapping guide explanes how to use the value mapping better then the standard "how to" mapping guide, please send it to me.
email: [email protected]
Cheers,
Frank

Issue with Value Mapping table

Hi
I want to upload a external value mapping table to XI.
I do not want to code for it on the SAP R/3 side. and there might be more than 2000 value mappings. so can we upload a external mapping table.
Is it possible?? if yes, then how??.
Thanks
Nikhil

XI 3.0
Hi,
first of all one helpful information:
You can see all data of the value mapping tables using the
runtime workbench: Go to the IntegrationBuilder->
Integration Monitoring->Cache Monitoring, select 'Search
for Value-Mapping' and choose your context.
The value mapping tables are located in the J2EE part of
XI. You have to send your value mapping data to an Java proxy
located in the J2EE part. First, the inbound proxies
(synchronous and asynchronous) need to be activated.
There are two urls, named in the docu, you have to call
from a web browser:
(asynchronous replication scenario)
http://<Server>:<Port>/ProxyServer/register?ns=http://sap.com/xi/XI/System&interface=ValueMappingReplicationSynchronous&bean=localejbs/sap.com/com.sap.xi.services/ValueMappingApplicationSynchronous&method=valueMappingReplicationSynchronous
(synchronous replication scenario)
http://<Server>:<Port>/ProxyServer/register?ns=http://sap.com/xi/XI/System&interface=ValueMappingReplication&bean=localejbs/sap.com/com.sap.xi.services/ValueMappingApplication&method=valueMappingReplication
You only need to perform this step once (for each
installation).
If you already have a sender for the mapping data, the
next step is to configure the scenario in the directory
Create a communication channel with
Adapter type: XI
Transport protocol: HTTP 1.0
Message-Protocol: XI 3.0
Adapter-Engine: Integration Server
and host name and http port of the XI J2EE Engine and Path Prefix: /MessagingSystem/receive/JPR/XI
The user XIAPPLUSER has the required permissions.
For an asynchronous communication you can use the
inbound interface ValueMappingReplication from the namespace http://sap.com/xi/XI/System.
In that namespace there are also outbound interfaces you
can use to generate a sender proxy and synchronous
interfaces for the same purpose. Set the created communication channel as the receiver channel.
You may need a mapping and so on depending on your
sender. If you use the provided outbound interfaces there
is no mapping required.
The Data:
You can create your own GUIDs using some function like GUID_CREATE in ABAP. You don't need to declare the context you use. Something like http://mycompany.com/Test should be ok.
A sample in ABAP:
CRM and R3 are the names of the business systems.
data: lcl_value_mapping type ref to co_svmr_value_mapping_rep,
        ls_value_mappings type svmr_value_mapping_replication,
        ls_item type svmr_value_mapping_rep_item,
        lcl_system_fault type ref to cx_ai_system_fault.
ls_item-operation = 'Insert'.
ls_item-group_id = '315286378563858425463215845123548'.
ls_item-context = 'http://Test'.
ls_item-identifier-scheme = 'FormOfAddress'.
ls_item-identifier-agency = 'CRM'. <- Business System A
ls_item-identifier-value = '2'.
append ls_item to ls_value_mappings-value_mapping_replication-item.
ls_item-operation = 'Insert'.
Use the same guid for another value of the same group
ls_item-group_id = '315286378563858425463215845123548'.
ls_item-context = 'http://Test'.
ls_item-identifier-scheme = 'FormOfAddress'.
ls_item-identifier-agency = 'R3'. <- Business System B
ls_item-identifier-value = '1'.
append ls_item to ls_value_mappings-value_mapping_replication-item.
create object lcl_value_mapping.
try.
      call method lcl_value_mapping->execute_asynchronous
        exporting
          output = ls_value_mappings.
      commit work.
    catch cx_ai_system_fault into lcl_system_fault.
      write: 'Error: ', lcl_system_fault->errortext.
endtry.
See the XI documentation at SAP XI Design and Configuration Time -> Configuration -> Value Mapping -> Value mapping Replication for Mass Data.
Hope that helps.
Regards,
Christian

Value Mapping and Lookups

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