Formatted Search

Hi Experts,

Can any body explain the syntax about how to create Formatted Search for Purchase Order..?

below is my query based on Screen field

$[$88.1.0]  --(Serie) 

but its not working.

SELECT nnm1.seriesname str(opor.docnum) from
opor inner join nnm1 on opor.series = nnm1.series
where opor.series = $[$88.1.0]
and opor.docnum = $[$8.1.0]

i appreciate your help..

Thanks and Regards,

kaviprashu