title: How to Login or initiate customer session after Social Login in Shopify
body: <p>I want to facilitate customer to login my Shopify site using their social media accounts. </p>
  
  <p>But I am not really sure how can I start their session after they successfully pass oAuth with their social accounts.</p>
  
  <p>Once they pass the oAuth process I will create customer using Admin API of shopify. but after successfully created customers how can I logged In them.</p>
  
  <p>there is something I might be missing. because there are lots off social login apps available on marketplace.</p>