Editor placeholder in source file

[BigEv1]

self.showLoading(state: true)
PhoneAuthProvider.provider().verifyPhoneNumber(self.loginEmailField.text!, uiDelegate: AuthUIDelegate?)//Editor placeholder in source file
{ [weak weakSelf = self] (verificationID, error) in
weakSelf?.showLoading(state: false)
for item in self.inputFields {
item.text = ""
}