Problem: How to add Linked Customer Order in Purchase Order List?
Solution: Use Change Form option to add column in Purchase Orders list.
1. In Purchase Order List, go to More Action > Change Form:
2. Select List option:
3. Select Ref and press Add Field. Find available fields in the list, put check mark for Customer Order, then press Apply or/and OK:
4. A linked Customer Order appears in the list of Purchase Orders list:
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