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GUID

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Globally unique identifier (GUID) is a unique reference number used as an identifier in computer software. In Unreal Engine, it may refer to:

  • struct GUID - built-in struct type. UE1, UE2, UE3.
  • Package GUID. Every package in engine has GUID, which is used in network games to ensure that clients have the same package version as the server does. Conforming process can make different package versions network-compatible, but has its own nuances. More information is available on UDN [1].
  • Guid(A, B, C, D) class modifier. It was intended to be used with COM, but wasn't actually implemented.