• Help Home
  • English (US)
    1. English (US)
    2. 日本語
    • MotionBuilder What's New
      • What's New in MotionBuilder 2025.1
      • What's New in MotionBuilder 2025
      • What's New in MotionBuilder 2024
    • MotionBuilder Release Notes
    • MotionBuilder Installation
    • Getting Started
    • Basics
    • Managing Scenes and Files
    • Interoperability
    • USD for MotionBuilder
    • Animation
    • Character Animation
    • Lighting and Shading
    • MotionBuilder Rendering
    • Customizing
    • Keyboard Shortcuts
    • Reference
      • MotionBuilder Windows
      • Character Settings Reference
      • MotionBuilder Properties and Settings
      • Lights, Shaders, and Surfaces Reference
      • Animating with Devices
      • Supported SDI Video Output Formats
      • Glossary
      • Expression reference
        • Numerical function expressions
        • Rotation expressions
        • Source function expressions
        • Mathematical expressions
        • Conversion expressions
        • Time functions and Vector expressions
        • Logical functions (Boolean)
        • Miscellaneous functions and expressions
      • Story Reference
    • MotionBuilder Scripting
    • MotionBuilder Developer Help
    Share
    • Email
    • Facebook
    • Twitter
    • LinkedIn

    Expression reference

    This section lists the expressions supported by MotionBuilder. Each is shown with an example you can use as a guide when building expressions.

    Pages in this section
    • Numerical function expressions
    • Rotation expressions
    • Source function expressions
    • Mathematical expressions
    • Conversion expressions
    • Time functions and Vector expressions
    • Logical functions (Boolean)
    • Miscellaneous functions and expressions

    Related pages

    • Expression Constraints Settings pane

    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