Login with Facebook always asking password and mail SwiftUI

Question

I have a kmm app and when I try to click the FB login button, it will redirect me to the browser, but without the mail or password.. But I do have the fb installed and logged on on my phone.

VStack{
   Button(action: {
    loginManager.logIn(permissions: [ .email, .publicProfile ]) { loginResult in
        switch loginResult {
        case .success(let grantedPermissions, let declinedPermissions, let accessToken):
            
            print("ok")

            
        case .failed(let error):
            print("Facebook login failed: \(error)")
        case .cancelled:
            print("The user cancelled the login flow.")
        }
    }
    
  }, label: {
    Text("Facebook login")
      
  })
}

How does LoginManager will know that I am already logged in a Facebook app on my iPhone?

I want when the redirect to the web happens that I will already see my account that I am currently logged in my phone. Without having to add my email and password.