Add custom attributes - GTM

Add a custom attribute with the name category to the pageview event using Google Tag Manager (GTM).

Before you begin:

  1. Configure GTM with Exchange prerequisites.
  2. Create a custom dimension field with a value dimension2 and with Hit scope in GA. One custom dimension for Personalization is required to send the category attribute data.

To add custom attributes, complete the following steps:

  1. Create a user-defined variable customAttributeDimensionVariable in GTM.
  • Variable Type: Data Layer Variable
  • Data Layer Variable Name: dimension2 [or dimensionN]
  • Data Layer Version: Version 2
  1. In your GA Settings variable GA-Id, set the references to custom variables. Use the GA settings variable GA-Id already created before.

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Note:

The values for dimensions that are shown here are only for illustrative purposes. You must use the Index and Dimension Value according to your setup.

Custom Dimensions > Index: 2,
Dimension Value: {{customAttributeDimensionVariable}}

  1. In the script execution code added to the GTM tag, add the following to the customFunction.
google_ubx.googleToUBXPageViewEvent.attributesMapper.push({ "googleName": "cd2", "ubxName": "category", "type": "string" });

In this code snippet, cd2 indicates dimension2. Use the index value as applicable.

  1. Next, add the following code to the customFunction.
google_tag_manager[{{Container ID}}].dataLayer.set('dimension2','<<comma-separated category values>>');

You can also add the following code to your HTML page or web page after the GTM code snippet.

window.dataLayer.push({'dimension2' : '<<comma-separated category values>>'});