protected override IAsyncResult BeginExecute(AsyncCodeActivityContext context, AsyncCallback callback, object state)
{
LoadAuthentication(context);
templateId = TemplateId.Get(context);
recipientId = RecipientId.Get(context);
filePath = FilePath.Get(context);
CreateBulkEnvelopeDelegate = new Action(_AddBulkRecipientAction);
return(CreateBulkEnvelopeDelegate.BeginInvoke(callback, state));
}