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Reuse configuration settings in Google Tag Manager

This page is for users who maintain their Google tag in Google Tag Manager and want to define shared configuration settings that are valid for multiple Google tags.

What is a configuration settings variable?

You can reuse configuration settings across several Google tags using a Google tag: Configuration settings variable. For example, let's say you publish your website in multiple languages, and want to segment your audience according to the language they read in. You can create a configuration variable with a language parameter and use it across your Google tags, instead of manually updating each tag.

How to set up a configuration settings variable

To create a new configuration settings variable:

  1. Open Google Tag Manager
  2. In your workspace, open the Variables menu on the left.
  3. Create a New user-defined variable.
  4. In Variable Configuration, select the Google tag: Configuration settings variable.
  5. Add the parameters you want to reuse. You can find a table of pre-defined parameters below. If none of these fit your needs, you can always create a custom parameter. Just type a name of your choice in the Name field.
  6. Name your variable and Save.

Reuse settings in a Google tag

  1. In your workspace, open the Tags menu on the left.
  2. Select a Google tag you want to apply a settings variable to.
  3. Reuse settings:
    • To reuse Configuration settings, select a Google tag: Configuration settings variable from the dropdown list.
    • To reuse Shared event settings, select a Google tag: Event settings variable from the dropdown list.
    • To see what parameters were inherited from the settings variable, click Show inherited settings.
    • To edit an inherited parameter for the Google tag only, click on Edit .
    • To revert an edited inherited parameter, click Reset .
  4. Save the tag and Publish the container.


Valid parameters for configurations settings

The following table lists pre-defined parameters and which products you can use them with (marked by an x).

Name Type Default value Description Ads GA4 Merchant Center
ads_data_redaction boolean
Consent mode parameter to redact ad-click identifiers (e.g. &gclid, &dclid, &wbraid, etc.) from all requests when consent is denied. x    
allow_ad_personalization_signals boolean
Set to false to disable advertising personalization features. x x x
allow_google_signals boolean true The default value is true. To disable all advertising features, set allow_google_signals to false. x x  
allow_interest_groups boolean
A privacy sandbox API setting to allow opting out of storing interest group data. x x x
campaign_content string undefined Used for A/B testing and content-targeted ads. Use campaign_content to differentiate ads or links that point to the same URL.
Note: Setting this value will override the utm_content query parameter.
  x x
campaign_id string undefined Used to identify which campaign this referral references. Use campaign_id to identify a specific campaign.
Note: Setting this value will override the utm_id query parameter.
  x x
campaign_medium string undefined Use campaign_medium to identify a medium such as email or cost-per-click.
Note: Setting this value will override the utm_medium query parameter.
  x x
campaign_name string undefined Used for keyword analysis. Use campaign_name to identify a specific product promotion or strategic campaign.
Note: Setting this value will override the utm_name query parameter.
  x x
campaign_source string undefined Use campaign_source to identify a search engine, newsletter name, or other source.
Note: Setting this value will override the utm_source query parameter.
  x x
campaign_term string undefined Used for paid search. Use campaign_term to note the keywords for this ad.
Note: Setting this value will override the utm_term query parameter.
  x x
client_id string A randomly generated value for each user. Pseudonymously identifies a browser instance. By default, this value is stored as part of the first-party Analytics cookie with a two-year expiration.   x  
content_group string undefined Content groups let you categorize pages and screens into custom buckets. Learn more about content groups.   x  
conversion_linker boolean
Use this parameter to opt out of conversion linking for Ads and Floodlight. When set to false, you can opt-out of conversion linking. x    
cookie_domain string
Specifies the domain used to store the analytics cookie.
To set the cookie without specifying a domain, set to 'none'.
Set to 'auto' (the default value) to set the cookie to the top level domain plus one subdomain (eTLD +1). For example if cookie_domain is set to 'auto' would use for the domain, and would also use for the domain.
x x x
cookie_expires number
Every time a hit is sent to Google Analytics, the cookie expiration time is updated to be the current time plus the value of the cookie_expires field. This means that if you use the default value time of two years (63072000 seconds), and a user visits your site every month, their cookie will never expire. If you set the cookie_expires time to 0 (zero) seconds, the cookie turns into a session based cookie and expires once the current browser session ends. Caution: If you set the cookie to expire too quickly, you will inflate your user count and decrease the quality of your measurement. x x x
cookie_flags string undefined Appends additional flags to the cookie when set. Flags must be separated by semicolons. See write a new cookie for some examples of flags to set. x x x
cookie_path string
Specifies the subpath used to store the Google tag cookie. x x x
cookie_prefix string undefined Specifies a prefix to prepend to ads and analytics cookie names. For example, you can rename ads cookies starting with _gcl_aw to <your-prefix>_aw. x x x
cookie_update boolean
When cookie_update is set to true:
  • GA4 and Merchant Center update cookies on each page load. This will update the cookie expiration to be set relative to the most recent visit to the site. For example, if cookie expiration is set to one week, and a user visits using the same browser every five days, the cookie expiration will be updated on each visit and will effectively never expire.
  • Ads and Floodlight update cookies with the original expiration date, so it is still relevant to the first visit.
When set to false, cookies are not updated on each page load. This has the effect of cookie expiration being relative to the first time a user visited the site.
x x x
customer_lifetime_value string undefined Specifies a time frame in which a customer counts as a repeated customer. x    
groups string undefined You can create a group of targets (e.g. products, accounts, and properties) and then route events to that group. To send events to a group, you need to set the send_to parameter in an event tag. x x x
ignore_referrer boolean
Set to true to indicate to Analytics that the referrer shouldn't be displayed as a traffic source. Learn when to use this field.   x x
language string navigator.language Specifies the language preference of the user. x x x
new_customer boolean undefined Reports new customer acquisitions from your Ads campaigns. See the Google Ads help for implementation details. x    
page_hostname string location.hostname Sets the hostname of your site. This parameter allows you to override the automatic value.   x x
page_location string document.location Specifies the full URL of the page. This parameter allows you to override the automatic value. x x x
page_path string location.pathname Specifies the page path (the string after /).This parameter allows you to override the automatic value.   x x
page_referrer string document.referrer Specifies which referral source brought traffic to a page. This value is also used to compute the traffic source. This parameter allows you to override the automatic value. x x x
page_title string document.title The title of the page or document. This parameter allows you to override the automatic value. x x x
send_page_view boolean
Set to false to prevent the default snippet from sending a page_view event.   x  
screen_resolution string window.screen Specifies the resolution of the screen. Should be two positive integers separated by an x. For example, for an 800px by 600px screen, the value would be "800x600". Calculated from the user's window.screen value.   x x
server_container_url string undefined Specifies the URL of a tagging server. Learn more about server-side tagging. x x x
user_id string undefined Specifies a known identifier for a user provided by the site owner/library user. It must not itself be PII (personally identifiable information). The value should never be persisted in Google Analytics cookies or other Analytics provided storage. Character limit = 256.   x  
user_properties object undefined User properties are attributes that can be used to describe segments of your user base, such as language preference or geographic location. Up to 25 additional user properties can be set per project. Learn how to set up user properties.   x  

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