How to use facebook login interator
FacebookLoginInteractor.shared.clearSession()
@IBAction func signInWithFacebookButtonClick(_ sender: Any) {
pushToFacebookView()
}
// MARK: - Facebook Login
extension LoginViewController: FacebookLoginDelegate {
func didLogInWithUserInformation(facebookId: String, accessToken: String) {
//call Facebook Login API
}
func pushToFacebookView() {
let facebookLogin = FacebookLoginInteractor.shared
facebookLogin.delegate = self
facebookLogin.view = self
facebookLogin.pushToFacebookView()
}}