Set new field to be used for quantity to ship and quantity to invoice not use the order qty

Hi am using business central,I have created a new field executed qty in sales line i want this qty to be used for shipment and invoice not the standard order quantity .

How can change to use my new field than use the standard quantity in navision

Try Like Below in sales line table, it will assign the value user entering in “Executed Qty” field to “Qty to Ship”

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hi sorry am still using cside development not AL for now help me with code in c/al