ItemIdentifierType

An Item Identifier represents an item identification code of some sort. According to the GS1 standard this is mostly a GTIN of 8-14 digits, but it might be a Non-standard code for special use cases or it might be a PLU code for specific PLU use cases. It can also be a QR code or other machine registrable code or just an alternative SKU. This is also why several types are supported in Hii Retail

we know other identifiers than GTIN are required beyond the GS1 specifications.

enum ItemIdentifierType {
  NONSTANDARD
  UUID
  GTIN8
  GTIN12
  GTIN13
  GTIN14
  PLU
  SKU
  QR
  ECC140
  ECC200
  ISBN
  RFID
  DATABAR_OMNI
  DATABAR_STACKED_OMNI
  DATABAR_EXPANDED
  DATABAR_STACKED_EXPANDED
  DATABAR_TRUNCATED
  DATABAR_LIMITED
  DATABAR_STACKED
}