• Help Home
  • Quick References
    • What's New
    • New Features Overview (Video)
    • The Hitchhiker's Guide to AutoCAD
    • Have You Tried
    • Commands
    • System Variables
    • Developer Documentation
  • English (US)
    1. English (US)
    2. 简体中文
    3. 繁體中文
    4. Čeština
    5. Deutsch
    6. Español
    7. Français
    8. Magyar
    9. Italiano
    10. 日本語
    11. 한국어
    12. Polski
    13. Português (Brasil)
    14. Русский
AutoCAD 2025
    • What's New in AutoCAD
      • New Features Overview (Video)
      • What's New in AutoCAD 2025
      • What's New in Previous Releases
    • AutoCAD Foundations
    • Getting Started
    • Have You Tried
    • AutoCAD User's Guide
    • Cross Platform
    • Subscription Benefits
    • Customization and AutoLISP
      • Customization and Administration Guides
      • DXF Reference
      • AutoLISP: Developer's Guide
      • AutoLISP: Reference
        • Functions Reference (AutoLISP)
        • AutoLISP Core Functions
        • AutoLISP External Functions
        • DCL Reference
        • ActiveX Library Functions (Windows Only)
        • Express Tools Library Functions (AutoCAD for Windows Only)
          • Overview of Express Tools Utility Functions
          • Functions By Functionality
          • acet-ent Functions
          • acet-file Functions
          • acet-help Functions
            • acet-help (AutoLISP/Express Tools)
            • acet-help-trap (AutoLISP/Express Tools)
          • acet-ini Functions
          • acet-load Functions
          • acet-reg Functions
          • acet-ss Functions
          • acet-str Functions
          • acet-sys Functions
          • acet-ui Functions
          • acet-util Functions
        • Visual LISP IDE Related Functions (AutoCAD for Windows Only)
      • AutoLISP: Tutorials
    • Installation
    • Release Notes
    Share
    • Email
    • Facebook
    • Twitter
    • LinkedIn
     
     

    acet-help (AutoLISP/Express Tools)

    Displays a help page.

    Supported Platforms: AutoCAD for Windows only; not available in AutoCAD LT for Windows, or on Mac OS and Web

    Signature

    (acet-help [topic])
    topic

    Type: String

    A keyword that identifies the help page to display. If not supplied, the Home page will be displayed.

    Return Values

    Type: nil

    Always returns nil.

    Was this information helpful?

    Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Please see the Autodesk Creative Commons FAQ for more information.

    • Privacy Statement
    • Legal Notices & Trademarks
    • Report Noncompliance
    • © 2025 Autodesk Inc. All rights reserved