GAS.BalanceOf Method

public static extern BigInteger BalanceOf(byte[] account);

public class Contract1 : SmartContract.Framework.SmartContract
{
    private static readonly UInt160 account = "NXsG3zwpwcfvBiA3bNMx6mWZGEro9ZqTqM".ToScriptHash();

    public static object Test()
    {
        BigInteger result = GAS.BalanceOf(account);
        return result;
    }
}

{
    "Type":"Integer",
    "value":"100000000"
}