check internet connection in unity code example

Example: unity test network connection

if (Application.internetReachability == 0) //Not reachable at all
        {
            Debug.LogWarning("No internet connection");
        }
        
if (Application.internetReachability == 1) //Reachable via Carrier data network
        {
            Debug.LogWarning("Connected to mobile carrier");
        }

if (Application.internetReachability == 3) //Reachable via WiFi
        {
            Debug.LogWarning("Connected to WiFi");
        }