MediaMath Cookie Matching Service Tag Setup Guide

When using this tag with utag version 4.50 or later, you must set the utag.js always_set_v_id setting to true. This setting ensures that the visitor ID is available for cookie synchronization. For more information, see the utag 4.50 release notes and Considerations for tealium_visitor_id when upgrading to utag 4.50+.

Tag Tips

• Sends the following server-side attribute back to Tealium:
  • mediamathid

Tag Configuration

First, go to Tealium’s tag marketplace and add the MediaMath Cookie Matching Service tag (Learn more about how to add a tag).

After adding the tag, configure the following settings:

• Tealium Account

  • Optional.
  • Your Tealium account

• Tealium Profile

  • Optional.
  • Your Tealium profile.

Data Mappings

Mapping is the process of sending data from a data layer variable to the corresponding destination variable of the vendor tag. For instructions on how to map a variable to a tag destination, see Data Mappings.

The available categories are:

Standard