# UCSYDIR System Variable [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [U](Help%20System/GSTARCAD/2017/System%20Variables/U/(U).md) **Function Description:** The UCSYDIR system variable is used to store the Y direction of current UCS in current viewport of current space. (Read-Only) | | | | --- | --- | | Type | 3D point | | Saved in | Drawing | | Initial value | 0.0000,1.0000,0.0000 | The Y direction of UCS could be different for each viewport. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/U/UCSYDIR%20System%20Variable--b50ee73a4378.md) · [GstarCAD 2018](../../../2018/System%20Variables/U/UCSYDIR%20System%20Variable--b50ee73a4378.md) · [GstarCAD 2019](../../../2019/System%20Variables/U/UCSYDIR%20System%20Variable--b50ee73a4378.md) · [GstarCAD 2020](../../../2020/System%20Variables/U/UCSYDIR%20System%20Variable--b50ee73a4378.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/U/UCSYDIR%20System%20Variable--b50ee73a4378.md)