i have created one seesion on purchase order.

i have set order num field on other zoom session with selection filter query.extend.where.in.zoom command.

when i enter order num from session but not exist in zoom baan allow me to enter such order num. but idont want such order num.

what is solution for it??

use Field section's check.input:

write the query if that order exists, if it does not exist set.input.error