AppendBox ( UDynamicMesh* TargetMesh, FGeometryScriptPrimitiveOptions Pri..., FTransform Transform, float DimensionX, float DimensionY, float DimensionZ, int32 StepsX, int32 StepsY, int32 StepsZ, EGeometryScriptPrimitiveOriginMode ..., UGeometryScriptDebug* Debug )