URL for the content being shared.
@property (nonatomic, copy) NSURL *contentURL;
This URL will be checked for all link meta tags for linking in platform specific ways. See documentation for App Links (https://developers.facebook.com/docs/applinks/)
List of IDs for taggable people to tag with this content.
@property (nonatomic, copy) NSArray *peopleIDs;
See documentation for Taggable Friends (https://developers.facebook.com/docs/graph-api/reference/user/taggable_friends)
The ID for a place to tag with this content.
@property (nonatomic, copy) NSString *placeID;
A value to be added to the referrer URL when a person follows a link from this shared content on feed.
@property (nonatomic, copy) NSString *ref;