update klaviyo integration to support exchange ID #618
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What does this PR do?
Klaviyo recently made an update to its web tracking. An
$exchange_idwas introduced which is an encrypted envelope containing identifiers. Segment's Klaviyo integration does not consider this identifier, and in the absence of other identifiers (like email and ID) is skippingtrackrequests.This PR allows the Segment/Klaviyo integration to recognize and pass along exchange IDs as they are encountered.
Are there breaking changes in this PR?
No, these changes are supplemental to existing behavior.
Testing
Testing completed successfully on stage via AJS 2.0
Test cases were added to existing coverage, all of which is passing.
Any background context you want to provide?
https://help.klaviyo.com/hc/en-us/articles/115005076767-Guide-to-Klaviyo-Web-Tracking#the-_kx-parameter5
Is there parity with the server-side/android/iOS integration components (if applicable)?
Unsure.
Does this require a new integration setting? If so, please explain how the new setting works
No.
Links to helpful docs and other external resources
https://help.klaviyo.com/hc/en-us/articles/115005076767-Guide-to-Klaviyo-Web-Tracking#the-_kx-parameter5