Capturing the user

I have a 'n' users with write back privileges. for those users they have the privileges to edit a column. Now i need how to capture the user information & last updated or modified the column.
Can anyone let me know in detail.
Thanks

Hi mma,
i was not clear the first posted by you. instead of reply to that post i posted a new one.
I came to know with the usage of Variables we can capture the user. But i dont know how to use the variable.
Thanks

Similar Messages

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    PARAMETERS: p_indir   LIKE epsf-epsdirnam OBLIGATORY,                   " Inbound file directory
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    *       text
    *  -->  p1        text
    *  <--  p2        text
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          dyname               = sy-repid
          dynumb               = sy-dynnr
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          invalid_abapworkarea = 1
          invalid_dynprofield  = 2
          invalid_dynproname   = 3
          invalid_dynpronummer = 4
          invalid_request      = 5
          no_fielddescription  = 6
          invalid_parameter    = 7
          undefind_error       = 8
          double_conversion    = 9
          stepl_not_found      = 10
          OTHERS               = 11.
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    *         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
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    Edited by: Ning Hu on Apr 9, 2008 11:32 AM
    Edited by: Ning Hu on Apr 9, 2008 11:34 AM

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