Procedure Double-click tFixedFlowInput to display its Basic settings view. Click the [...] button next to Edit Schema to open the schema editor. Click the [+] button to add four columns, namely a4, b1, c9 and d6. Click Ok to close the schema editor and accept propagating the changes when prompted by the system. In the Mode area, select the Use Single Table option. The four defined columns display in the Values panel of the Basic settings view of tFixedFlowInput. In the Value cell of each column, press Ctrl+Space to access the global variable list. From the global variable list, select the context variable you created for each column, such as context.a4 for the a4 column.
