The source node in most cases contains the sample message as written by the developer. If it looks like a dot-delimitted string such as "form.label.firstname", then the developer has not provided a default message.

Shipment Shipment key: role.policy.shipment Shipment / All functions Shipment / All functions key: role.policy.shipment.all_functions Shipment / Create Shipment / Create key: role.policy.shipment.create Shipment / Delete Shipment / Delete key: role.policy.shipment.delete Shipment / Edit Shipment / Edit key: role.policy.shipment.edit Shipment / View Shipment / View key: role.policy.shipment.view Shipping method Shipping method key: role.policy.shipping_method Shipping method / All functions Shipping method / All functions key: role.policy.shipping_method.all_functions Shipping method / Create Shipping method / Create key: role.policy.shipping_method.create Shipping method / Delete Shipping method / Delete key: role.policy.shipping_method.delete Shipping method / Edit Shipping method / Edit key: role.policy.shipping_method.edit Shipping method / View Shipping method / View key: role.policy.shipping_method.view