# ARX Command [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [Commands](Help%20System/GSTARCAD/2022/Commands/(Commands).md) → [A](Help%20System/GSTARCAD/2022/Commands/A/(A).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.