Hi Vipul Raghav​I have done without linking in schema level.1.I have added one more column(line number) in coupon table.Which will be inserted while import the data.2.I am able to assign the random number when querying the recipient.3.After that linking the random number with the line number in coupon table using enrichment.It will assign the coupon code for the recipient.Regards,Malarrajan Sundarraj