# ARX Command
[GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md)
**Function Description:**
This command is used to load, unload Object ARX application program and provide related information.
**Command Access:**
> **Icon:** /
> **Menu:** /
> **Ribbon:** /
> **Toolbar:** /
> **Command:** ARX
> **Alias:** /
**Command Prompts:**
```
Enter options [File/Group/Command/CLass/Service/Load/Unload]:
```
## **File**
Lists the currently loaded object ARX application programs, it can be the third party program or internal application program (such as Render).
## **Group**
Makes the specified command group as the firstly searched one when users are interpreting command names.
## **Command**
Lists AcEd registered commands.
## **CLass**
Displays C++ hierarchical structure defined by registered objects in system.
## **Service**
Lists all names of registered service.
## **Load**
Displays the "Select GRX/TX File" dialog box. Users can use this option to load specified ObjectARX application programs.
**## Unload**
Unloads the specified ObjectARX application programs.
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**Related References:**
- [Commands about Customization (GstarCAD 2026)](../../2026/Commands/Commands%20about%20Customization.md)
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[Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/ARX.html) · © Gstarsoft Co., Ltd.