# Outside Multiplies (1 - mask) to all channels of the input. ## Parameter Types **Outside (float):** |Input |Type | |------|-----| |`In` |Float| |`Mask`|Float| |Output|Type | |------|-----| |`Out` |Float| **Outside (half):** |Input |Type| |------|----| |`In` |Half| |`Mask`|Half| |Output|Type| |------|----| |`Out` |Half| **Outside (color3f):** |Input |Type | |------|-------------| |`In` |Color3| |`Mask`|Float | |Output|Type | |------|-------------| |`Out` |Color3| **Outside (color4f):** |Input |Type | |------|-------------| |`In` |Color4| |`Mask`|Float | |Output|Type | |------|-------------| |`Out` |Color4| ## Parameter descriptions - `In`: The input value to which the mask applies. - `Mask`: The value by which the input is multiplied. ## Discussion Below is an example of a simple node graph that uses the `Outside` node to apply a mask to a brick texture:  Below, the resulting texture applies to a cube:    --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)