L IDOC HEADER CREATE

     *........Giving data to ALE-interface..............................
       call function 'L_IDOC_HEADER_CREATE'
            exporting
                     i_mestyp = 'WMMBXY'
                     i_mescod = p_varia
                     i_idoctp = 'WMMBID01'
                     i_rcvprn = 'P30CLNT003'.