diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 5a897dc..395bdf7 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/npmextra',
-  version: '5.0.2',
+  version: '5.0.3',
   description: 'do more with npm'
 }
diff --git a/ts/npmextra.classes.appdata.ts b/ts/npmextra.classes.appdata.ts
index c531488..3de4c27 100644
--- a/ts/npmextra.classes.appdata.ts
+++ b/ts/npmextra.classes.appdata.ts
@@ -15,15 +15,15 @@ export interface IAppDataOptions {
   };
 }
 
-export class AppData {
+export class AppData<T = any> {
   /**
    * creates appdata. If no pathArg is given, data will be stored here:
    * ${PWD}/.nogit/appdata
    * @param pathArg
    * @returns
    */
-  public static async createAndInit(optionsArg: IAppDataOptions = {}) {
-    const appData = new AppData(optionsArg);
+  public static async createAndInit<T = any>(optionsArg: IAppDataOptions = {}): Promise<AppData<T>> {
+    const appData = new AppData<T>(optionsArg);
     await appData.readyDeferred.promise;
     return appData;
   }