API Reference > imodeljs-common > Serialization > EGFBAccessors > EGFBAccessors.AreaPattern > rotation rotation Method rotation(obj?: EGFBAccessors.RotMatrix): | EGFBAccessors.RotMatrix Parameter Type Description obj EGFBAccessors.RotMatrix Returns - | EGFBAccessors.RotMatrix RotMatrix|null Defined in core/common/src/geometry/ElementGeometryFB.ts Line 3222 Last Updated: 11 June, 2024