Routing change idoc in SAP LOIROU01/02

Hi All,

Has anyone used routing idoc LOIROU01/02 for change routing and allocate operations for BOM in SAP using we19 test tool. If so, please give me the minimum fields need to pass in we19 for LOIROU01/02 idoc to allocate an operation to a BOM component. It is urgent and any help is appreciated

Thanks

Ricky