title: how can i get facebook page_id for my page?
body: <p>I want to using facebook api in my site, I refer to other sites , they have a meta defining a page_id , and I see many acticle which their code exists this page_id . but how can I find this page_id value in developer.facebook.com? </p>
  
  <p><img src="https://i.stack.imgur.com/DxJBE.png" alt="enter image description here"></p>