Having not known about this Easter egg prior, I looked into it straight away.
My research revealed that there wasn't any documentation or an example on the web, so I thought that I would take the opportunity to demonstrate the usage in a real-world implementation.
Use Case
One of the objectives in our Xccelerate roadmap was the ability to personalize based on a contact's previous purchase. So for example; "If a visitor has purchased a product in the last 10 days, let's show them a CTA of a related product". The obvious objective was to drive the contact directly into the purchase funnel, increasing the possibility of another conversion.In our configuration, we had already created a Purchase outcome item and were capturing monetary value, so it was just a matter of attaching the purchased line items to the outcome and building a new condition.
It is important to note that the "Monetary Value Applicable" checkbox must be checked on the Outcome item in Sitecore so that the values will show up in the various reporting dashboards.
Adding Custom Data to the Outcome
The code to achieve this is pretty straightforward. In our case, I added the logic to a location where I had a list of line items available that a visitor had just purchased.The method accepts a monetary value and a list of key value pairs containing data that I would attach to my registered outcome. In my usage, I stored all the product SKUs, along with the quantity purchased for each line.
1: public void RecordPurchaseOutcome(decimal monetaryValue, List<KeyValuePair<string, string>> customValues = null)
2: {
3: var id = ID.NewID;
4: var interactionId = ID.Parse(Tracker.Current.Interaction.InteractionId);
5: var contactId = ID.Parse(Tracker.Current.Contact.ContactId);
6: var definitionId = new ID(ItemConstants.ProductPurchaseOutcomeItem);
7:
8: var outcome = new ContactOutcome(id, definitionId, contactId)
9: {
10: DateTime = DateTime.UtcNow.Date,
11: MonetaryValue = monetaryValue,
12: InteractionId = interactionId,
13: };
14:
15: if (customValues != null && customValues.Any())
16: {
17: foreach (var customValue in customValues)
18: {
19: outcome.CustomValues[customValue.Key.ToUpperInvariant()] = customValue.Value;
20: }
21: }
22:
23: Tracker.Current.RegisterContactOutcome(outcome);
24: }
The id of the outcome item on line 6 displayed as ItemConstants.ProductPurchaseOutcomeItem is unique to my implementation.
After a contact's session ended, the custom data was stored in the MongoDB Outcome collection as follows:
Personalization using the Outcome's Custom Data
The final piece of the puzzle was to build the personalization condition that could pull out the custom data from the contact's recorded outcome, based on a time frame.I created the condition item in the Outcomes element folder at this location: /sitecore/system/Settings/Rules/Definitions/Elements/Outcomes.
The rule text was set to the following:
where the current contact has registered the [OutcomeId,Tree,root=/sitecore/system/Marketing Control Panel/Outcomes,specific] outcome with a custom data key that is case-insensitively equal to [CustomData,,,value] within the last [days,Integer,,number] day(s)
This is the code that powered the condition, accessing the recorded custom data in the contact's outcome, and determined if it fell within a day range:
1: public class CustomDataOutcomeRegisteredWithinLastDaysCondition<T> : WhenCondition<T> where T : RuleContext
2: {
3: private OutcomeManager _outcomeManager;
4:
5: public string OutcomeId { get; set; }
6: public string Days { get; set; }
7: public string CustomData { get; set; }
8:
9: protected override bool Execute(T ruleContext)
10: {
11: Assert.ArgumentNotNull(ruleContext, "ruleContext");
12: Assert.IsNotNull(Tracker.Current, "Tracker.Current is not initialized");
13: Assert.IsNotNull(Tracker.Current.Session, "Tracker.Current.Session is not initialized");
14:
15: Guid result;
16: if (!Guid.TryParse(OutcomeId, out result))
17: {
18: Log.Debug(string.Format("Specified outcome [{0}] was not a valid Guid", OutcomeId));
19: return false;
20: }
21:
22: _outcomeManager = Factory.CreateObject("outcome/outcomeManager", true) as OutcomeManager;
23:
24: if (_outcomeManager != null)
25: {
26: int pastDays;
27: var validDays = int.TryParse(Days, out pastDays);
28:
29: if (!validDays)
30: {
31: return false;
32: }
33:
34: var targetDate = DateTime.Today.AddDays(-pastDays);
35: var pastOutcomes = _outcomeManager.GetForEntity<IOutcome>(Tracker.Current.Contact.ContactId.ToID(), result.ToID());
36:
37: foreach (var outcome in pastOutcomes)
38: {
39: if (outcome.DateTime >= targetDate)
40: {
41: return outcome.CustomValues[CustomData.ToUpperInvariant()] != null;
42: }
43: }
44:
45: return false;
46: }
47:
48: return false;
49: }
50: }
After my rule and code were added to Sitecore, I was able to apply the freshly minted condition to my component:
The end result was the ability to personalize based on a previous purchase that a contact had made within the last x number of days.
In my example, I personalized the content of my component if the contact had purchased a Large, Hot Penne Pasta and Meatballs Tray within the last 10 days.
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