ExternalReference

A wrapper object with fields that allow reference to a Toast entity by Toast GUID.

• entityType required:
  string

  The type of object this is.

• externalId:
  string

  External identifier string that is prefixed by the naming authority.

• guid required:
  string

  The GUID maintained by Toast.

{
  "guid": "string",
  "entityType": "string",
  "externalId": "string"
}