Yes, they can be changed. The tracker will be changed by adding the new custom values required. The new tracking pixel will have to be implemented in the creatives again. However, there will be changes in the overall reports which will reflect the changes made by the advertiser. You can select the date range in the reports section post changes made in the tracking pixel and look at the new reports.
Modified on: Wed, 9 Jan, 2019 at 6:59 PM
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