Add Scheduled Invitation Activity

The AddScheduledInvitationActivity method can be utilized to schedule invitations and reminders to be sent out at some point in the future. This method requires invitation scheduling be enabled, which is enabled by default for all Checkbox Online accounts.

public partial class InvitationForm : Form
    {
        readonly InvitationManagementServiceClient _invitationManagementServiceClient = new InvitationManagementServiceClient();
        readonly AuthenticationServiceClient _authenticationServiceClient = new AuthenticationServiceClient();
        public InvitationForm()
        {
            InitializeComponent();
        }

        private void btnSend_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrWhiteSpace(txtEmail.Text))
            {
                var authToken = _authenticationServiceClient.Login("username", "password").ResultData;

                if (!string.IsNullOrWhiteSpace(authToken))
                {
                    var newInvitation = _invitationManagementServiceClient.CreateInvitation(authToken, 1129, "Api Test Invitation").ResultData;
                    Logger($"Created new invitation with id {newInvitation.DatabaseId}");

                    newInvitation.Body =
                        "You have been invited to take the survey: Invitation API Test.<br /><br /><a href=\"@@SURVEY_URL_PLACEHOLDER__DO_NOT_ERASE\">Click here</a>&nbsp;to take the survey." + 
                                        "<br /><br />===================================<br /><a id=\"unsubscribeLink\" href=\"@@OPT_OUT_PLACEHOLDER__DO_NOT_ERASE\">Unsubscribe from this list</a>" + 
                                        "<br /><br />Our mailing address is:<br />@@FooterCompany<br />@@FooterAddress1<br />@@FooterAddress2<br />@@FooterCity, @@FooterState @@FooterPostCode<br />@@FooterCountry";
                    newInvitation.FromAddress = "support@checkbox.com";
                    newInvitation.FromName = "Checkbox Support";
                    newInvitation.IncludeOptOut = true;
                    newInvitation.ReminderBody = $"Reminder : {newInvitation.Body}";
                    newInvitation.Subject = $"Reminder : {newInvitation.Subject}";
                    
                    _invitationManagementServiceClient.UpdateInvitation(authToken, newInvitation);
                    Logger($"Updated invitation with id {newInvitation.DatabaseId}");

                    _invitationManagementServiceClient.AddEmailAddressesToInvitation(authToken, newInvitation.DatabaseId,
                        new[] {txtEmail.Text});
                    Logger($"Added {txtEmail.Text} as a recipient to invitation with id {newInvitation.DatabaseId}");

                    _invitationManagementServiceClient.AddScheduledInvitationActivity(authToken, newInvitation.DatabaseId, "Invitation",
                        DateTime.UtcNow.AddMinutes(2).ToString());
                    Logger($"Scheduled invitation to be sent out :  {DateTime.UtcNow.AddMinutes(2)}");

                    _invitationManagementServiceClient.AddScheduledInvitationActivity(authToken, newInvitation.DatabaseId, "Reminder",
                        DateTime.UtcNow.AddDays(7).ToString());
                    Logger($"Scheduled reminder to be sent out :  {DateTime.UtcNow.AddDays(7)}");

                    _invitationManagementServiceClient.Close();
                    _authenticationServiceClient.Close();

                }
            }
        }

        private void Logger(string logText)
        {
            txtLog.Text += $"{DateTime.UtcNow.ToString()} : {logText} {Environment.NewLine}";
        }
    }

Input Parameters