/// <summary>
/// Redeems access token to acquire access to the grantor's account balances.
/// </summary>
/// <param name="grantee">grantee Token member</param>
/// <param name="tokenId">ID of the access token to redeem</param>
/// <returns>balance of one of grantor's acounts</returns>
public static Money RedeemAccessToken(Member grantee, string tokenId)
{
var customerInitiated = true;
var grantor = grantee.ForAccessToken(tokenId, customerInitiated);
var accounts = grantor.GetAccounts().Result;
Money balance0 = accounts[0].GetBalance(Standard).Result.Current;
return(balance0);
}
