# RENDERUSERLIGHTS System Variable [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) → [R](Help%20System/GSTARCAD/2021/System%20Variables/R/(R).md) ## Function Description: The RENDERUSERLIGHTS system variable is used to control whether to replace viewport light settings when rendering. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 1 | | Range | 0,1 | Select one of the following way; keep the settings used in viewports and replace the DEFAULTLIGHTING for rendering. ## System Variable Value: **0:** use the current light in viewport when rendering, or use default light or users lights, which is specified by DEFAULTLIGHTING system variable. **1:** replace settings of DEFAULTLIGHTING system variable. Only render users lights. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/R/RENDERUSERLIGHTS%20System%20Variable.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/R/RENDERUSERLIGHTS%20System%20Variable.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/System%20Variables/R/RENDERUSERLIGHTS%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/R/RENDERUSERLIGHTS%20System%20Variable.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/System%20Variables/R/RENDERUSERLIGHTS%20System%20Variable.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/R/RENDERUSERLIGHTS%20System%20Variable.md)