Updates ad hoc summary groups for a cart by specifying a line item field name to dynamically group cart line items. Ad hoc groups allow flexible grouping of line items based on any line item field without predefined configuration. This enables on-demand summary grouping for reporting and display purposes.

Required Fields:

• cartId (route) - required
• adhocGroup (body) - required

Responses

• 200 OK: the ad hoc summary groups were updated.
• 400 Bad Request: the request payload is invalid.
• 500 Internal Server Error: an unexpected error occurred.