A customization that validates a cart and/or checkout.

Fields

• metafield (Metafield)

  Returns a metafield by namespace and key that belongs to the resource.

  Argument	Description
  key ( String! ) required	The key for the metafield.
  namespace ( String )	The container the metafield belongs to. If omitted, the app-reserved namespace will be used.

Types that return Validation

• Input.validation

Implements

• HasMetafields