public static string AcquireTokenSilent(Dictionary <string, string> input)
{
AuthenticationContext ctx = new AuthenticationContext("");
string output = string.Empty;
try
{
AuthenticationResult result = ctx.AcquireTokenSilentAsync("", "").Result;
output = result.ToJson();
}
catch (Exception exc)
{
output = exc.InnerException.Message;
}
return(output);
}