API Reference > imodeljs-common > DisplayStyles > RenderSchedule > RenderSchedule.ModelTimelineBuilder > constructor constructor Method Constructor - typically not used directly. ModelTimelineBuilder(modelId: string, obtainNextBatchId: () => number): RenderSchedule.ModelTimelineBuilder see RenderSchedule.ScriptBuilder.addModelTimeline to create a ModelTimelineBuilder. Parameter Type Description modelId string obtainNextBatchId () => number Returns - RenderSchedule.ModelTimelineBuilder Defined in core/common/src/RenderSchedule.ts Line 1037 Last Updated: 12 June, 2024