# INTERFEREVPVS System Variable [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) **Function Description:** The INTERFEREVPVS system variable is used to specify the visual style when checking interference objects. | | | | --- | --- | | Type | Strings | | Saved in | Drawing | | Initial value | Frame | The INTERFEREOBJVS system variable can only set the visual style to save in a drawing. Users can not use the PURGE command to delete the visual style specified by INTERFEREOBJVS system variable. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables/INTERFEREVPVS.html) · © Gstarsoft Co., Ltd.