in dotnet/create-a-chatbot/RemindMeBot/RemindMeBotHandler.cs [26:38]
public override async Task HandleMessageAsync(MessagePayload payload)
{
var messageText = payload.Message.Body as ChatMessageText;
if (string.IsNullOrEmpty(messageText?.Text)) return;
if (messageText.Text.Trim().StartsWith("remind"))
{
await HandleRemindAsync(payload, messageText);
return;
}
await HandleHelpAsync(payload);
}