diff --git a/src/multiselect/interface.ts b/src/multiselect/interface.ts
index cef83b4..8f272a3 100644
--- a/src/multiselect/interface.ts
+++ b/src/multiselect/interface.ts
@@ -10,6 +10,7 @@ export interface IMultiselectProps {
     selectionLimit?: any,
     placeholder?: string,
     groupBy?: string,
+    showGroupByCheckbox?: boolean,
     loading?: boolean,
     style?: object,
     emptyRecordMsg?: string,