private async Task SaveChannel(string id) { Console.WriteLine("Save Channel started for " + id); var client = new AmazonDynamoDBClient(); var response = await client.ScanAsync(new ScanRequest("channel")); var channelFromDb = response.Items?.Find(i => (i["id"].S == id)); if (channelFromDb == null) { //get channel name from slack var slackMsg = new SlackMessage(new DynamoRepository()); List <AwsDotnetCsharp.Models.Channel> channels = slackMsg.GetChannels(new List <string>() { id }).ToList(); //add channel to channel table if (channels?.Count > 0) { Console.WriteLine("Adding new channel to db : Name " + channels[0]?.name); var newChannel = new Document { ["guid"] = Guid.NewGuid().ToString(), ["id"] = id, ["name"] = channels[0]?.name }; var table = Table.LoadTable(client, "channel"); await table.PutItemAsync(newChannel); Console.WriteLine("Channel saved"); } } }