Redwood - Validation not working on Inventory Management page.

Summary:

Business requirement is to match the value of Shipment DFF with Shipment Line Lot Number

Content (please ensure you mask any confidential information):

We are trying to implement the validation rule to get error message on page or on column in Shipment Redwood page.

Navigation for the page where validation is being written.

Login Oracle Fusion --> Supply Chain Executions --> Inventory Management --> Tasks --> Select Shipments --> Outbound Shipments

Opening the page in VBS and writing the validation to show the error if the condition is not satisfied. 

Version (include the version you are using, if applicable):