• your current 'sproc' is:

    select column1,column2,column3,column4

    from TABLE

    where columnID in (SELECT Val from dbo.fn_String_To_Table(@MultiVal,',',1))

    you could make another stored procedure identical to 'sproc' but add insert into TABLE (column1,column2,column3,column4) to the query.

    insert into TABLE2 (column1,column2,column3,column4)

    select column1,column2,column3,column4

    from TABLE

    where columnID in (SELECT Val from dbo.fn_String_To_Table(@MultiVal,',',1))