This image shows the Routing Rules Panel with ReadFile operation.

The Filter field contains the following expression: $in.CustomerData/imp1:CustomerData/Country='US' and the Target Service field contains USCustomer::WriteFile. The Transform Using field contains Customer:xsl/Customerdata_To_Customer.xsl.

Another Filter field contains the following expression: $in.CustomerData/imp1:CustomerData/Country='CA' and the Target Service field contains CanadaCustomer::WriteFile. The Transform Using field contains Customer:xsl/Customerdata_To_Customer_2.xsl.