Pre-Header Test - A/B Testing Campaign

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The information below discusses the Pre-Header testing variable. The rest of the details are covered in the A/B Testing Campaign Details article.

NOTE - cannot contain the Webview token or Unsubscribe token.

You will need to set the two Pre-Headers (A and B).

 PreHeader_Test.png

Since this is the testing variable, please make sure they are different.

You can change the Pre-Headers until the message is within 5 minutes of the scheduled date/time of send.

You may also be interested in the Best Practices for A/B Testing Campaigns.