# EXPERT System Variable [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [E](Help%20System/GSTARCAD/2017/System%20Variables/E/(E).md) **Function Description:** The EXPERT system variable is used to control whether certain prompts are issued. | | | | --- | --- | | Type | Integer | | Saved in | Not saved | | Initial value | 0 | | Range | 0,1,2,3,4,5 | **System Variable Value:** **0:** display all prompts **1:** display all prompts **2:** forbid to display prompts above and "Block already defined. Redefine it?" or "A drawing with this name already exists. Overwrite it?" **3:** do not display prompts above, and prompts by LINETYPE command, if users try to load loaded linetype or create new line type in a drawing which has defined linetype **4:** do not display prompts above, and prompts for "Save" option when the entered name already exists by UCS command and VPORTS command **5:** forbid to display the prompts by -DIMSTYLE :"That name is already in Use, redefine it?" . Do not display the same prompts by -SCALELISTEDIT --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/E/EXPERT%20System%20Variable--694bc9bf1329.md) · [GstarCAD 2018](../../../2018/System%20Variables/E/EXPERT%20System%20Variable--694bc9bf1329.md) · [GstarCAD 2019](../../../2019/System%20Variables/E/EXPERT%20System%20Variable--694bc9bf1329.md) · [GstarCAD 2020](../../../2020/System%20Variables/E/EXPERT%20System%20Variable--694bc9bf1329.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/E/EXPERT%20System%20Variable--694bc9bf1329.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/E/EXPERT%20System%20Variable--694bc9bf1329.md)