[Home](./index.md) > [three-loader-3dtiles](./three-loader-3dtiles.md) > [LoaderOptions](./three-loader-3dtiles.loaderoptions.md) > [cesiumIONToken](./three-loader-3dtiles.loaderoptions.cesiumiontoken.md) ## LoaderOptions.cesiumIONToken property A Cesium ION access token when loading tilesets from Cesium ION. Signature: ```typescript cesiumIONToken?: string; ```