ios - PFUser becomeInBackground Not Found -


on parse's blog, can use:

[pfuser becomeinbackground:@"session-token-here"; block:^(pfuser *user, nserror *error) {             if (error) {                 // token not validated.             } else {                 // current user set user.             }         }];

for handling login on custom basis. however, multiple errors when trying run code, saying can't find instancemethod becomeinbackground. what's going on?


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