API Reference > imodeljs-frontend > IModelConnection > BriefcaseTxns > onElementsChanged onElementsChanged Readonly onElementsChanged: BeEvent<(changes: Readonly<ChangedEntities>) => void> = ... Event raised after Txn validation or changeset application to indicate the set of changed elements. note If there are many changed elements in a single Txn, the notifications are sent in batches so this event may be called multiple times per Txn. Defined in core/frontend/src/BriefcaseTxns.ts Line 46 Last Updated: 11 June, 2024