diff --git a/npm/ng-packs/packages/core/src/lib/models/common.ts b/npm/ng-packs/packages/core/src/lib/models/common.ts
index 8a413b1077..d1041bcf09 100644
--- a/npm/ng-packs/packages/core/src/lib/models/common.ts
+++ b/npm/ng-packs/packages/core/src/lib/models/common.ts
@@ -1,7 +1,7 @@
-import { eLayoutType } from '../enums/common';
-import { Config } from './config';
 import { EventEmitter } from '@angular/core';
 import { Subject } from 'rxjs';
+import { eLayoutType } from '../enums/common';
+import { Config } from './config';
 
 export namespace ABP {
   export interface Root {
@@ -51,6 +51,11 @@ export namespace ABP {
     name: string;
   }
 
+  export interface Option<T> {
+    key: Extract<keyof T, string>;
+    value: T[Extract<keyof T, string>];
+  }
+
   export interface Dictionary<T = any> {
     [key: string]: T;
   }