[Home](./index.md) > [three-loader-3dtiles](./three-loader-3dtiles.md) > [Runtime](./three-loader-3dtiles.runtime.md) > [setPointAlpha](./three-loader-3dtiles.runtime.setpointalpha.md) ## Runtime.setPointAlpha() method In point clouds when, set the alpha value. Default: `1.0`. Signature: ```typescript setPointAlpha(number: any): void; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | number | any | | Returns: void