title: iOS Post to Facebook wall mention tag user
body: <p>I want to make a post from my iOS app with a mention to some friends. I got his "id".</p>
  
  <p>So i use the follow and isn't work:</p>
  
  <p><Pre>
          NSString *textToShare = @"hello @[100003626828741]";
          NSDictionary *parameters = @{
                                       @"picture":picture,
                                       @"name" : @"hello",
                                       @"caption" : textToShare,
                                       @"message" : textToShare,
                                       };</p>
  
  <pre><code>    NSURL *feedURL = [NSURL URLWithString:@"https://graph.facebook.com/me/feed"];
  
      SLRequest *feedRequest = [SLRequest
                                requestForServiceType:SLServiceTypeFacebook
                                requestMethod:SLRequestMethodPOST
                                URL:feedURL
                                parameters:parameters];
  
      feedRequest.account = [[ICollinaService instance] facebookAccount];
  
      [feedRequest performRequestWithHandler:^(NSData *responseData,
                                               NSHTTPURLResponse *urlResponse, NSError *error)
       {
           NSLog(@"Facebook HTTP response: %i", [urlResponse
                                                 statusCode]);
           NSLog(@"Facebook HTTP response allHeaderFields: %@", [urlResponse
                                                 allHeaderFields]);
           NSLog(@"Facebook HTTP error: %@", error);
       }];
  
  }
  </code></pre>
  
  <p></pre>
  How can i mention a friend in my post? 
  Thanks</p>
  
  <p>The result of the post is: hello @[100003626828741] as a caption and message, without changeing the id for the name with link/tag.</p>