API Reference > geometry-core > Serialization > BGFBAccessors > BGFBAccessors.DgnExtrusion > getRootAsDgnExtrusion getRootAsDgnExtrusion MethodStatic getRootAsDgnExtrusion(bb: ByteBuffer, obj?: BGFBAccessors.DgnExtrusion): BGFBAccessors.DgnExtrusion Parameter Type Description bb ByteBuffer obj BGFBAccessors.DgnExtrusion Returns - BGFBAccessors.DgnExtrusion DgnExtrusion Defined in serialization/BGFBAccessors.ts Line 3755 Last Updated: 11 June, 2024