Post process Eventhandler for update Ldap Attrbute

Hi,

I have a requirement like updating user's ldap attribute once user is provisioned to Gitlab Application via OIM by API call.

I know the list of steps to be performed for creating post process eventhandler.

1. Developing plugins
   1. Creating a JAR file with Custom Event Handler code
   2. Creating Plugin XML
   3. Creating Event Handler XML
   4. Creating a Plug-in ZIP
2. Registering the Plug-in
3. Testing the Event handlers

Can anyone help e sample eventhandler for updating ldap attribute once user is provisioned to an Application

Thanks

Anand