# Commands about Data Extraction [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) **Commands：** - [DATAEXTRACTION (GstarCAD 2026)](../../2026/Commands/DATAEXTRACTION.md) - [EXTERNALREFERENCES (GstarCAD 2026)](../../2026/Commands/EXTERNALREFERENCES.md) **System Variables：** - [DXEVAL (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/DXEVAL.md) - [ERHIGHLIGHT (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/ERHIGHLIGHT.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/Commands%20about%20Data%20Extraction.html) · © Gstarsoft Co., Ltd.