# OSNAPZ System Variable [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [O](Help%20System/GSTARCAD/2017/System%20Variables/O/(O).md) **Function Description:** The OSNAPZ system variable is used to control whether the object snap automatically project to the plane which is parallel with the XY plane of current elevation in current UCS. | | | | --- | --- | | Type | Integer | | Saved in | Not saved | | Initial value | 0 | | Range | 0,1 | **System Variable Value:** **0:** the object snap uses specified Z value of point **1:** the object snap uses the set elevation to replace specified Z value of point --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/O/OSNAPZ%20System%20Variable--3d03b4b9a714.md) · [GstarCAD 2018](../../../2018/System%20Variables/O/OSNAPZ%20System%20Variable--3d03b4b9a714.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/O/OSNAPZ%20System%20Variable--3d03b4b9a714.md) · [GstarCAD 2020](../../../2020/System%20Variables/O/OSNAPZ%20System%20Variable--3d03b4b9a714.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/O/OSNAPZ%20System%20Variable--3d03b4b9a714.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/O/OSNAPZ%20System%20Variable--3d03b4b9a714.md)