arrays - Swift: Search Firebase Data -

i've been searching online , on stack overflow, haven't been able find answer this. because firebase has been updated recently.

i want convert firebase database swift array can search through using searchbarcontroller. used search through usernames of users.

try code:

let databaseref = firdatabase.database().reference() let usersref = databaseref.child("users")  usersref.observesingleeventoftype(.value, withblock: {snapshot in         guard let data = snapshot.value as? [string: anyobject] else {             return         }          let swiftarray = array(data.values)     })