protected override async Task OnFollowAsync(FollowEvent ev)
{
Log.WriteInfo($"SourceType:{ev.Source.Type}, SourceId:{ev.Source.Id}");
await SourceState.AddAsync(ev.Source.Type.ToString(), ev.Source.Id);
var userName = "";
if (!string.IsNullOrEmpty(ev.Source.Id))
{
var userProfile = await MessagingClient.GetUserProfileAsync(ev.Source.Id);
userName = userProfile?.DisplayName ?? "";
}
await MessagingClient.ReplyMessageAsync(ev.ReplyToken, $"Hello {userName}! Thank you for following !");
}