type: object
required:
  - quantity
properties:
  quantity:
    type: number
    description: The quantity of the line item in the cart.
  metadata:
    type: object
    description: >-
      An optional key-value map with additional details about the Line Item. If
      omitted, the metadata will remain unchanged."
    externalDocs:
      description: Learn about the metadata attribute, and how to delete and update it.
      url: >-
        https://docs.medusajs.com/development/entities/overview#metadata-attribute