Centro Cookie Matching Service enables a user to associate the cookie that identifies a Tealium visitor, and the cookie that identifies the user for Centro. This article describes how to set up the Centro Cookie Matching Service tag in your Tealium iQ Tag Management account.

In this article:

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Tag Tips

  • This tag will only fire once per Tealium visit session.
  • Sends the following server-side attribute back to Tealium:
    • externalID
  • If left blank, Tealium Account and Profile automatically populates.

Tag Configuration

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

After adding the tag, configure the following settings:

  • Tealium Account
  • 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:


Variable Description
tealium_account Tealium Account
tealium_proflie Tealium Profile