# Expression Library Item Icon Guide
Each time you create an expression library item you have a few options in the add stage that will detirmine the icon used.
{% content-ref url="../add-expression-library-item" %}
[add-expression-library-item](https://docs.expression-library.bearstudios.co.uk/interface-overview/add-expression-library-item)
{% endcontent-ref %}
### Javascript Expression File
A javascript expression file will have an icon that is white
### 
3D Javascript Expression File
A 3D layer that has a javascript expression file will have an icon that is red
### 
Extendscript Expression File
An extendscript expression file will have an icon that is blue
### 
3D Extendscript Expression File
A 3D extendscript expression file will have an icon that is turqoise
{% hint style="warning" %}
Each file icon has the words JS or ES. However, due to After Effects's scriptUI it is impossible to load images with a higher quality and thus the writing is barely readable and it's better to go by the file colour.
{% endhint %}
{% content-ref url="../../creating-an-expression-library-item/3d-or-2d-layer" %}
[3d-or-2d-layer](https://docs.expression-library.bearstudios.co.uk/creating-an-expression-library-item/3d-or-2d-layer)
{% endcontent-ref %}
{% content-ref url="../../creating-an-expression-library-item/javascript-or-extendscript" %}
[javascript-or-extendscript](https://docs.expression-library.bearstudios.co.uk/creating-an-expression-library-item/javascript-or-extendscript)
{% endcontent-ref %}