Kia Ora
You have a report with 2 dataitems and you want to set a filter on the second dataitem on the Request Form when its call from another form.
Customer
>Cust. Ledger Entry
Use
CustLedEntryRec.SETRANGE("Posting Date", myDate);
REPORT.RUNMODAL(RptNo,UseReqForm,FALSE,CustLedEntryRec);
This will show the request form with a filter displayed on the Cust. Ledger Entry tab.