Hi,
In Maintain Object Attributes step.
<b> Message-type: MATMAS_BAPI
Basic Type : MATMAS_BAPI01</b>
In Maintain Structure relations step.
Selet the required structures(like direct input) and
their check box structures.
Suppose u are populating meins field.
the field is in E1BP_MARA.
and u have to select and pass 'X' to the meins fild
in checkbox structure .
Remaining steps are common.
