type: object
required:
  - items
properties:
  items:
    description: The Line Items to include in the Fulfillment.
    type: array
    items:
      type: object
      required:
        - item_id
        - quantity
      properties:
        item_id:
          description: The ID of Line Item to fulfill.
          type: string
        quantity:
          description: The quantity of the Line Item to fulfill.
          type: integer
  no_notification:
    description: If set to true no notification will be send related to this Swap.
    type: boolean
  metadata:
    description: An optional set of key-value pairs to hold additional information.
    type: object