To measure how many users downloaded the brochure for your bookstore client’s new training series using a counter tag in Campaign Manager 360, you should use the unique counting method.

• Unique counting method
• Standard counting method
• Per session counting method
• Custom counting method

The correct answer is: Unique counting method

Explanation: The answer “Unique counting method” is correct.

To accurately measure the number of individual users who downloaded the how-to brochure, the “unique” counting method for the Floodlight counter tag is the most appropriate. This method counts each user’s conversion only once within the specified lookback window, regardless of how many times they download the brochure. This provides a clear and unduplicated count of the individuals who engaged with the campaign by downloading the promotional material, directly addressing the objective of measuring user engagement with the brochure.

Here’s a relevant link from Google’s official content:

Counter tags – Campaign Manager 360 Help: https://support.google.com/campaignmanager/answer/6100588