title: Long Lived access token Facebook Page
body: <p>I have a facebook page and i want the feeds of page.
  I am using graph api to get the access token but i have no idea how to convert that short-lived access token to long-lived access token </p>
  
  <pre><code> https://graph.facebook.com/oauth/access_token?
   client_id=APP_ID&amp; client_secret=APP_SECRET&amp; grant_type=fb_exchange_token&amp; fb_exchange_token=EXISTING_ACCESS_TOKEN
  </code></pre>
  
  <p>If above link is used to get the long live access token then from where i can get App_Secret<br>
  Help Me if i am going on wrong approach.</p>