Expression Library Guide
  • After Effects - Expression Library
  • Expression Library UI Overview
    • Import To Expression Library
    • Export Expression Library
      • Adding An Item To Export
      • Removing An Item From Export
      • Exporting
    • Guide
    • Expression Library
      • Expression Library Item Icon Guide
    • Information
    • Expression Functions
    • Add Expression Library Item
    • Remove Expression Library Item
    • Apply Expression
      • Applying To Properties
      • Applying To Layers
    • Delete Expression
      • Deleting With Combined Effects
  • Creating An Expression Library Item
    • Expression Library Info
    • Selection
      • Single Property Selection
      • Multiple Property Selection
      • Layer Selection
    • Including Keyframes
    • 3D or 2D Layer
    • Javascript or Extendscript
    • Naming Your Expression
  • Adding Custom Controls
    • thisLayer & Master Layers
    • Custom Functions
      • addMaster()
      • add3DPointControl()
      • add2DPointControl()
      • addColorControl()
      • addCheckboxControl()
      • addSliderControl()
      • addAngleControl()
      • addLayerControl()
    • Combining Custom Controls
    • Example Expressions
      • Standard Expression
      • Expression with thisLayer Controls
      • Expression With Master Controls
  • Tutorials
    • Tutorial Series 01
  • Changelog
    • Updates
  • Expression Pack
    • COMING SOON
  • FAQ
    • Installing The Script
      • Install As A Script Panel
      • Avoiding Those Darn Errors
      • Loading The Script
    • Reporting A Problem
    • After Effects Expression Error
    • Supported Versions
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  • An expression library item that contains a single expression or multple expressions.
  • Creating a property for the expression

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  1. Expression Library UI Overview
  2. Apply Expression

Applying To Layers

PreviousApplying To PropertiesNextDelete Expression

Last updated 5 years ago

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Depending on the type of expression you have selected it will change how it's applied to the property or properties.

An expression library item that contains a single expression or multple expressions.

When applying an expression library item that contains either a single expression or multiple, it will try to find if any of the properties exist on the selected layer. If they do not exist it will try to create the property needed for the expression.

Creating a property for the expression

Sometimes you will apply an expression to a layer that does actually have the property needed for the expression. In cases like this it will try and add the properties needed to the selected layer / layers. If the property can not be added for one reason or another it will not apply the expression.

Selection