Why do we create message types (we81)?

Hi Guys,
Could u plz explain me for wht purpose message types r created?
thanking u...
regards..

hi
good
A message type comprises a data type that describes the structure of a message. At the following points in SAP Exchange Infrastructure you can refer to the message to be exchanged at runtime by using the message type:
·        More than one message interface can use the same message type. For example, an asynchronous outbound message interface and an asynchronous inbound message interface can reference the same message type because the request message does not need to be mapped.
·        When defining a message mapping you can directly reference message types to map messages from an outbound interface to messages from a receiver interface.
http://help.sap.com/saphelp_nw04/helpdata/en/2d/c0633c3a892251e10000000a114084/content.htm
hope this will help you.
Thanks
mrutyun^

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    SAP telling below reason why we are creating message type
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  • Message Types in an IDOC Type

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    You can check this in the table EDIMSG.
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    Edited by: Suhas Saha on Jun 23, 2010 6:40 PM

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    Hey Guys,
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    Vishwanath Purohit

    hi go to the tcode...
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    http://www.****************/Tutorials/ALE/CustomIDOC/Create.htm

  • How to chang the idoc  message type

    Hi,
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    Hi,
    This may help u
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    Regards
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  • How to create a message type

    Hi, All
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    Hello siri
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    Hi Friends,
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    Laxmi.

    Hi,
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    Regards,
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