# Foliage Layer masking

#### Define Layers Foliage

You can define a layer number in a collection or in a foliage.<br>

![](/files/39LQmdPtrnp4W0vZHR8N)

![Make sure each foliage has a different number to isolate certain kinds](/files/CT6eelE9IlvHbjQ7oUBe)

#### Exclude Layers Foliage

Place an influencer on your level, indicating the layer number(s) to exclude in influencer menu in the WorldScape actor.

#### Noise Mask

The "Use Noise Mask" parameter allows you to spawn the foliage in a procedurally generated mask.


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