From the BPEL Designer Palette, drag an Assign activity to the drop point between the Receive and Invoke activities.
The Assign activity is listed under Basic Activities in the Palette.
Double-click the Assign activity.
The BPEL Mapper appears.
Map the input value from the Receive activity's variable to the Invoke activity's variable.
Save and close the BPEL Process.
Continue to Creating a Composite Application for Master Index Broadcasts.