var connection = ConnectionFactory.GetSandboxConnection(sandboxToken);
var context = connection.Context;
var from = new DateTime(2020, 3, 19, 10, 0, 0);
var to = new DateTime(2020, 3, 19, 17, 59, 59);
var marketCandles = context.MarketCandlesAsync("BBG004731489", from, to, CandleInterval.Minute)
.Result
.Candles;
OpenApiException: MALFORMED_QUERY_PARAMETER: Неверный формат поля 'from' в запросе (a6df22e00b1194bf).
OpenApiException: MALFORMED_QUERY_PARAMETER: Неверный формат поля 'from' в запросе (a6df22e00b1194bf).
So?)