How to make User logout from twitter fabric ios

this was a problem with NSCookie from Foundation framework And i slove this issues with help of below code

NSURL *url = [NSURL URLWithString:@"https://api.twitter.com"];
NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:url];
for (NSHTTPCookie *cookie in cookies)
{
    [[NSHTTPCookieStorage sharedHTTPCookieStorage] deleteCookie:cookie];
}

You need to use below code

[[[Twitter sharedInstance] sessionStore] logOutUserID:USERID];

Provide user id of the user you want to logout.

UPDATE: May 2016 - Framework has changed so this answer is no longer relevant.

See this answer: https://stackoverflow.com/a/35765833/940709 and this answer: https://stackoverflow.com/a/30916904/940709 instead.

[[[Twitter sharedInstance] sessionStore] logOutUserID:USERID];