# Alpha & Blending modes
All the following nodes refers to the ability to change the Alpha and Blending modes in ILIAD.
These nodes have been automatically created by Unreal Engine.
## Litteral enum
These nodes can be useful to call a specific Alpha or Blending mode into a Macro.
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## Switch
These are really useful when making a complex brush which might offer various results depending on its Alpha and / or
Blending mode. Thanks to these switches, you can restrain the number of modes and let the user choose between just
a few modes (and not the whole list).
Here is a concrete example with an Odyssey Brush that lets the choice between 2 Alpha modes :
Another example, with Blending modes, that lets the choice between 5 modes over 30 :
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## Get number of entries
These nodes will return an Integer which corresponds to the number of entries in Alpha and Blending modes lists.
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## Loop
*to be written*
Iliad User Documentation 
