Value With Attributes: Identifier (0.0.0)

Library: Common (http://www.opentravel.org/OTM/Common/v0)


    • Description

      Identifier provides the ability to create a globally unique identifier. For the identifier to be globally unique it must have a system provided identifier and the system must be identified using a global naming authority. System identification uses the domain naming system (DNS) to assure they are globally unique and should be an URL. The system provided ID will typically be a primary or surrogate key in a database.
      
      The URL, system and company attributes can be omitted only when the system context can be implied by a parent or ancestor element.
Property Value
Parent Type:  GUID

Attribute Name Type Description
url  anyURI   Uri of the creating system. The URI should be an URL and be globally unique. Should only be omitted when the context is clearly implied for the containing document.
system  String_Short Name or identifier for the creating system.
company  String_Short Name of the company that manages the reference system.
instance  GUID The identification of a record as it exists at a point in time. An instance is used in update messages where the sender must assure the server that the update sent refers to the most recent modification level of the object being updated.