You can create a lookup source from a physical data object that contains parameters. When you add the physical data object to a mapping, the parameters appear on the
Data Object Parameters
tab.
The following image shows the
Data Object Parameters
tab in the Lookup transformation:
The image shows the Customer_Order_Parm. Customer_Order_Parm is a parameter for the source file name in a flat file data object. To override the source file name in the mapping, bind the Customer_Order_Parm to a parameter in the mapping. Click