Must match `name` of an [AttributeDefinition](ctp:api:type:AttributeDefinition) of the Product Type.
Readonlytype
type:string
Must match type of an AttributeDefinition of the Product Type.
The type is required if this type is used in a product variant and must not be set when
used in a product variant patch.
Required if used for ProductVariantImport. Must not be set if used for ProductVariantPatch.