# Controller Scripts
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Controller scripts are useful for modifying dissolve properties for big amount of materials at once. All those settings and properties can be individually adjust from material editors too.
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## AdvancedDissolveKeywordsController
Used for updating and controlling Advanced Dissolve keywords inside materials.
## AdvancedDissolvePropertiesController
Used for modifying Advanced Dissolve properties inside materials.
## AdvancedDissolveGeometricCutoutController
Used for updating Geometric cutout properties.
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Those controller scripts are used in all example scenes for assigning proper dissolve keywords and properties to the materials.
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Controller scripts update only those materials that are in the **Materials** array of those scripts. To easily add materials to the controller scripts, lock their Inspector window, then select required game objects and from script's menu choose **Add Materials From Selection**.
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