Step 4: Retrieving from the Contact Facet

ContactFacetSwitch.cs

switch (this.Name.ToLower())
{
    case "first name":
        retValue = Tracker.Current.Contact.GetFacet<IContactPersonalInfo>("Personal").FirstName;
        break;
    case "last name":
        retValue = Tracker.Current.Contact.GetFacet<IContactPersonalInfo>("Personal").Surname;
        break;
    case "email":
        IContactEmailAddresses ea = Tracker.Current.Contact.GetFacet<IContactEmailAddresses>("Emails");
        if (!string.IsNullOrWhiteSpace(ea.Preferred) && ea.Entries.Contains(ea.Preferred))
        {
            retValue = ea.Entries[ea.Preferred].SmtpAddress;
        }
        else if (ea.Entries.Keys.Any())
        {
            retValue = ea.Entries[ea.Entries.Keys.First()].SmtpAddress;
        }
        break;
    case "city":
        IContactAddresses ca = Tracker.Current.Contact.GetFacet<IContactAddresses>("Addresses");
        if (!string.IsNullOrWhiteSpace(ca.Preferred) && ca.Entries.Contains(ca.Preferred))
        {
            retValue = ca.Entries[ca.Preferred].City;
        }
        else if (ca.Entries.Keys.Any())
        {
            retValue = ca.Entries[ca.Entries.Keys.First()].City;
        }
        break;
    case "phone":
        IContactPhoneNumbers pn = Tracker.Current.Contact.GetFacet<IContactPhoneNumbers>("Phone Numbers");
        if (!string.IsNullOrWhiteSpace(pn.Preferred) && pn.Entries.Contains(pn.Preferred))
        {
            retValue = string.Format("{0}-{1}", pn.Entries[pn.Preferred].CountryCode, pn.Entries[pn.Preferred].Number);
        }
        else if (pn.Entries.Keys.Any())
        {
            string firstKey = pn.Entries.Keys.First();
            retValue = string.Format("{0}-{1}", pn.Entries[firstKey].CountryCode, pn.Entries[firstKey].Number);
        }
        break;
    default:
        break;
}