API Reference > imodeljs-common > iModels > IModelRpcOpenProps > changeSetId changeSetId changeSetId: undefined | string Id of the last ChangeSet that was applied to the iModel - must be defined for briefcases that are synchronized with iModelHub. An empty string indicates the first version. note ChangeSet Ids are string hash values based on the ChangeSet's content and parent. Defined in core/common/src/IModel.ts Line 34 Last Updated: 12 June, 2024