API Reference > imodeljs-backend > Elements > Element > getPredecessorIds getPredecessorIds Method Get the Ids of this element's predecessors. A predecessor is an element that had to be inserted before this element could have been inserted. This is important for cloning operations but can be useful in other situations as well. getPredecessorIds(): Id64Set see Element.collectPredecessorIds Returns - Id64Set Defined in core/backend/src/Element.ts Line 421 Last Updated: 29 November, 2022