protected override async Task OnMembersAddedAsync(IList <ChannelAccount> membersAdded, ITurnContext <IConversationUpdateActivity> turnContext, CancellationToken cancellationToken)
{
foreach (var member in membersAdded)
{
if (member.Id != turnContext.Activity.Recipient.Id)
{
CardGenerator cardGenerator = new CardGenerator();
await cardGenerator.AttachServiceCardAsync(turnContext, cancellationToken);
LoginRequest.Logout();
}
}
}