API Reference > imodeljs-common > Rendering > RenderTexture > RenderTexture.Params > key key Readonly key: undefined | string A string uniquely identifying this texture within the context of an IModel. Typically this is the element Id of the corresponding Texture element. Textures created on the front-end generally have no key. Defined in core/common/src/RenderTexture.ts Line 70 Last Updated: 11 June, 2024