Hi All,
We are using the ShipStation API to create shipments for our orders. We have just added the Customs Declaration functionality (using the Shipments/Createlabel endpoint: https://www.shipstation.com/docs/api/shipments/create-label/).
Having submitted a test order with contents='sample' and nonDelivery='treat_as_abandoned', the shipment created in the ShipStation console was showing contents='merchandise' and nonDelivery='return_to_sender'.
Can we change those two values through the API? Or does SS override those fields on their end for some reason? Are we missing anything? Would appreciate any insights

Customs Form through API
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