title: share on facebook messenger
body: <p>For an app I'm working on I'm integrating different social services the user can select to share the content created using the app. </p>
  
  <p>What I'm trying to understand is if the facebook-messenger app expose an URL scheme that can be used to perform some action (basically texting one of his/her friend), or if there is a specific UTI that can be used in conjunction with the UIDocumentInteractionController.</p>
  
  <p>Thanks in advance for any help / hint / suggestion</p>