Custom JSON at article level. Example: { gift_wrap: true }

Article assignment rules (level/strategy). Example: { level: 'item', strategy: 'fast-delivery/optimal' }

Unique identifier of an article. Example: '5fdc737e3c05146138192f79'

Display text at article level. Example: 'Limited Edition'

Additional metadata at article level. Example: { color: 'Red' }

Product identifier. Example: 987654

Size of the product. Example: 'M'

Metadata at article level. Example: { source: 'PDP' }

Parent product identifiers. Example: [{ parent_item_id: 111, relation: 'bundle' }]

Whether request is made from POS. Example: false

Product group tags for the item. Example: ['buy-1-get-1', 'clearance']

Quantity to add. Example: 2

Selected seller ID. Example: 5678

Selected store ID. Example: 1234

Seller identifier for Store OS. Example: 'SELLER-001'

Fulfillment method slug. Example: 'home-delivery' or 'store-pickup'

Pickup store ID for store pickup. Example: 2001

If true, forces a separate line item. Example: true