diff --git a/lib/core/datatable/data/data-row.model.ts b/lib/core/datatable/data/data-row.model.ts
index b18b48af2b..59a64e76be 100644
--- a/lib/core/datatable/data/data-row.model.ts
+++ b/lib/core/datatable/data/data-row.model.ts
@@ -16,6 +16,8 @@
  */
 
 export interface DataRow {
+    [key: string]: any;
+
     isSelected: boolean;
     isDropTarget?: boolean;
     cssClass?: string;