How does item substitution work (e.g. grocery) with configurable customer approval?

For categories like groceries where exact items may be unavailable, the system supports substitution: offering an approved equivalent, with a configurable customer-approval rule (the customer may need to approve the swap, or it may be auto-approved per policy). This reflects how grocery fulfilment really works — out of one brand of milk, offer another — while respecting that some…

For categories like groceries where exact items may be unavailable, the system supports substitution: offering an approved equivalent, with a configurable customer-approval rule (the customer may need to approve the swap, or it may be auto-approved per policy). This reflects how grocery fulfilment really works — out of one brand of milk, offer another — while respecting that some customers want to approve substitutions and some are happy to let the picker choose. The approval behaviour is a policy the business configures.