API Reference > imodelhub-client > iModelHubClient > Thumbnail Thumbnail Class Base class for Thumbnails. Extends WsgInstance Extended by SmallThumbnail LargeThumbnail Methods Name Description constructor(): Thumbnail Properties Name Type Description id undefined | string Inherited properties Name Type Inherited from Description changeState undefined | ChangeState WsgInstance ecId string WsgInstance eTag undefined | string WsgInstance wsgId string WsgInstance Defined in clients/imodelhub/src/imodelhub/Thumbnails.ts Line 26 Last Updated: 29 November, 2022