diff --git a/slickgrid/SlickGrid.d.ts b/slickgrid/SlickGrid.d.ts
index 7301ecb1a..a27b038ff 100644
--- a/slickgrid/SlickGrid.d.ts
+++ b/slickgrid/SlickGrid.d.ts
@@ -1595,7 +1595,7 @@ declare module Slick {
 			// empty
 		}
 		export interface OnRowsChangedEventData {
-			// empty
+			rows: number[];
 		}
 		export interface OnPagingInfoChangedEventData extends PagingOptions {