# EXPERT System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).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 --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables/EXPERT.html) · © Gstarsoft Co., Ltd.