X3DMetadataObject
From Web3D.org
X3DMetadataObject
X3DMetadataObject { SFString [in,out] name "" SFString [in,out] reference "" }
This abstract interface is the basis for all metadata nodes. The interface is inherited by all metadata nodes.
The specification of the reference field is optional. If provided, it identifies the metadata standard or other specification that defines the name field. If the reference field is not provided or is empty, the meaning of the name field is considered implicit to the characters in the string