Modify the command registry
In this step, you modify the command registry
so that the new MyOrderItemAddCmdImpl implementation class gets used
instead of the original OrderItemAddCmdImpl implementation class.
The only table in the command registry that needs to be modified is
the CMDREG table. In this case, the new implementation class is used
for all stores.
About this task
To register MyNewControllerCmd in the CMDREG table: