// For more complex open graph stories, use `FBSDKShareAPI`
// with `FBSDKShareOpenGraphContent`
NSDictionary *params = @{
  @"object": @"{\"fb:app_id\":\"302184056577324\",\"og:type\":\"restaurant.restaurant\",\"og:url\":\"Put your own URL to the object here\",\"og:title\":\"Sample Restaurant\",\"og:image\":\"https:\/\/s-static.ak.fbcdn.net\/images\/devsite\/attachment_blank.png\",\"og:description\":\"This place rocks\",\"restaurant:contact_info:street_address\":\"1601 Willow Rd.\",\"restaurant:contact_info:locality\":\"Menlo Park\",\"restaurant:contact_info:region\":\"California\",\"restaurant:contact_info:postal_code\":\"94025\",\"restaurant:contact_info:country_name\":\"United States\",\"restaurant:contact_info:email\":\"brian\u0040example.com\",\"restaurant:contact_info:phone_number\":\"212-555-1234\",\"restaurant:contact_info:website\":\"http:\/\/www.facebook.com\",\"place:location:latitude\":\"37.484828\",\"place:location:longitude\":\"-122.148283\"}",
};
/* make the API call */
FBSDKGraphRequest *request = [[FBSDKGraphRequest alloc]
                               initWithGraphPath:@"/me/objects/restaurant.restaurant"
                                      parameters:params
                                      HTTPMethod:@"POST"];
[request startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection,
                                      id result,
                                      NSError *error) {
    // Handle the result
}];