How to Build an Expression Library: Reusable Animation Logic for After Effects Templates

An After Effects Expression Class by Edaqa Mortoray

Simplify expression management and focus on your animation again.

Expressions in After Effects are wonderful, yet they aren't without their issues. By building an expression library you can eliminate the headache and spend your time improving the animation, not the code. This class will show you how to make a reusable library, give you practical examples, and build a solid base for you to continue with expressions.

Expression libraries offer these advantages:

  • Easily share expressions between layers and projects
  • Create building blocks for responsive template layout
  • Write code with the comforts of a text editor
  • One central place to tweak animation behaviour

In this class you'll learn how to:

  • Create an expression library
  • Reuse code and values
  • Access your composition from an expression
  • Write some practical functions for dynamic layout

For those that want a deeper technical dive, I include a chapter going into details about the code. You'll better understand what is going on, giving you more flexibility in your expressions.

This class is meant for:

  • Animators working with After Effects
  • Designers of responsive lower thirds
  • Creators of Premier Pro and Adobe stock templates
  • Anybody going crazy with those fidgety tiny expression boxes

If you're new to expressions, you may also find my introduction to expressions class helpful.

For more information about sizing, refer to my class After Effects Size Expressions: Dynamic Text, Scaling, Images and Debugging.

Also, if you're like me, you're getting a bit lost with all those assets, clips, and folders, check out my friend Sonja's class on being efficient in After Effects.

🎓 Levels: Intermediate
Basic After effects and expression knowledge required

⏱ Running Time:

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Edaqa is an avid teacher with many years of experience in programming and animation. Join the thousands of people who have already benefited from his writing, live streams, and videos.