ios - CloudKit: Get users firstname/surname -


i'm trying users first name using cloud kit following code not getting users first name , leaving firstnamefromfunction variable empty. know how achieve in ios 10?

let container = ckcontainer.default()         container.fetchuserrecordid { (recordid, error) in             if error != nil {                 print("handle error)")             }else{                  self.container.discoveruserinfo(                     withuserrecordid: recordid!, completionhandler: { (userinfo, error) in                         if error != nil {                             print("handle error")                         }else{                             if let userinfo = userinfo {                                 print("givenname =   \(userinfo.displaycontact?.givenname)")                                 print("familyname = \(userinfo.displaycontact?.familyname)")                                 firstnamefromfunction = userinfo.displaycontact?.givenname                             }else{                                 print("no user info")                             }                         }                 })             }         }

first need ask user permission discovered.

use ckcontainer.default().requestapplicationpermission method passing .userdiscoverability on applicationpermission parameter.

the ckcontainer.default().discoveruserinfo method deprecated on ios 10. instead use ckcontainer.default().discoveruseridentity method.

do like:

ckcontainer.default().requestapplicationpermission(.userdiscoverability) { (status, error) in                     ckcontainer.default().fetchuserrecordid { (record, error) in                         ckcontainer.default().discoveruseridentity(withuserrecordid: record!, completionhandler: { (useridentity, error) in                              print("\(useridentity?.namecomponents?.givenname)")                             print("\(useridentity?.namecomponents?.familyname)")                          })                     }                 }

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