title: How to send some values through url from a flask app to dash app ? flask and dash app are running independently
body: <p>I have a flask app running at one end and a dash app both are running separately but I have a link in the flask app home on clicking which redirects to dash app but I want to pass some values such as current user_id to dash app when while redirecting to dash app, then I want to read that value from URL and then I can display it dash home page.</p>
  <p>I request if some can help me, please help me out.</p>