Configuration

This document lists all of the configuration fields for GA4.

Note: Do not use any of the fields listed on this page as names for your own custom parameters.

allow_google_signals

To disable all advertising features, set allow_google_signals to false.

Field Name	Type	Default Value
allow_google_signals	boolean	true

Example

Set globally

gtag('set', 'allow_google_signals', true);

Set for a single stream

gtag('config', 'STREAM_ID', {
  'allow_google_signals': true
});

allow_ad_personalization_signals

Set to false to disable advertising personalization features.

Field Name	Type	Default Value
allow_ad_personalization_signals	boolean	true

Example

Set globally

gtag('set', 'allow_ad_personalization_signals', true);

Set for a single stream

gtag('config', 'STREAM_ID', {
  'allow_ad_personalization_signals': true
});

campaign_content

Used for A/B testing and content-targeted ads. Use campaign_content to differentiate ads or links that point to the same URL.

Field Name	Type	Default Value
campaign_content	string	undefined

Example

Note: Setting this value will override the utm_content query parameter.

Set globally

gtag('set', 'campaign_content', 'logolink');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'campaign_content': 'logolink'
});

campaign_id

Used to identify which campaign this referral references. Use campaign_id to identify a specific campaign.

Field Name	Type	Default Value
campaign_id	string	undefined

Example

Note: Setting this value will override the utm_id query parameter.

Set globally

gtag('set', 'campaign_id', 'abc.123');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'campaign_id': 'abc.123'
});

campaign_medium

Use campaign_medium to identify a medium such as email or cost-per-click.

Field Name	Type	Default Value
campaign_medium	string	undefined

Example

Note: Setting this value will override the utm_medium query parameter.

Set globally

gtag('set', 'campaign_medium', 'cpc');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'campaign_medium': 'cpc'
});

campaign_name

Used for keyword analysis. Use campaign_name to identify a specific product promotion or strategic campaign.

Field Name	Type	Default Value
campaign_name	string	undefined

Example

Note: Setting this value will override the utm_name query parameter.

Set globally

gtag('set', 'campaign_name', 'spring_sale');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'campaign_name': 'spring_sale'
});

campaign_source

Use campaign_source to identify a search engine, newsletter name, or other source.

Field Name	Type	Default Value
campaign_source	string	undefined

Example

Note: Setting this value will override the utm_source query parameter.

Set globally

gtag('set', 'campaign_source', 'google');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'campaign_source': 'google'
});

campaign_term

Used for paid search. Use campaign_term to note the keywords for this ad.

Field Name	Type	Default Value
campaign_term	string	undefined

Example

Note: Setting this value will override the utm_term query parameter.

Set globally

gtag('set', 'campaign_term', 'running+shoes');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'campaign_term': 'running+shoes'
});

campaign

An object containing all campaign values that can be set.

The campaign object is provided to support legacy implementations, and is not recommended for most cases. Instead, you should use the campaign-prefixed version of each field:

• campaign_id
• campaign_source
• campaign_medium
• campaign_name
• campaign_term
• campaign_content

Key Point: Use the campaign_ prefixed version of each campaign value instead of this field.

Field Name	Type	Default Value
campaign	object	undefined

Example

Note: Any campaign details you provide will override any utm_ query parameters.

Set globally

gtag('set', 'campaign', {
  'id': 'abc.123',
  'source': 'google',
  'medium': 'cpc',
  'name': 'spring_sale',
  'term': 'running+shoes',
  'content': 'logolink'
});

Set for a single stream

gtag('config', 'STREAM_ID', {
  'campaign': {
    'id': 'abc.123',
    'source': 'google',
    'medium': 'cpc',
    'name': 'spring_sale',
    'term': 'running+shoes',
    'content': 'logolink'
  }
});

client_id

Pseudonymously identifies a browser instance. By default, this value is stored as part of the first-party Analytics cookie with a two-year expiration.

Field Name	Type	Default Value
client_id	string	A randomly generated value for each user.

Example

Set globally

gtag('set', 'client_id', 'aaa.bbb');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'client_id': 'aaa.bbb'
});

content_group

Field Name	Type	Default Value
content_group	string

Example

Set globally

gtag('set', 'content_group', '/news/sports');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'content_group': '/news/sports'
});

cookie_domain

Specifies the domain used to store the analytics cookie.

Set to 'none' to set the cookie without specifying a domain.

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' https://example.com would use example.com for the domain, and https://subdomain.example.com would also use example.com for the domain.

Field Name	Type	Default Value
cookie_domain	string	'auto'

Example

Set globally

gtag('set', 'cookie_domain', 'example.com');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'cookie_domain': 'example.com'
});

cookie_expires

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.

Field Name	Type	Default Value
cookie_expires	number	63072000

Example

Set globally

gtag('set', 'cookie_expires', 28 * 24 * 60 * 60 /* 28 days, in seconds */);

Set for a single stream

gtag('config', 'STREAM_ID', {
  'cookie_expires': 28 * 24 * 60 * 60 /* 28 days, in seconds */
});

cookie_flags

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.

Field Name	Type	Default Value
cookie_flags	string

Example

Set globally

gtag('set', 'cookie_flags', 'SameSite=None;Secure');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'cookie_flags': 'SameSite=None;Secure'
});

cookie_path

Specifies the subpath used to store the analytics cookie.

Field Name	Type	Default Value
cookie_path	string	'/'

Example

Set globally

gtag('set', 'cookie_path', '/example_path');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'cookie_path': '/example_path'
});

cookie_prefix

Specifies a prefix to prepend to analytics cookie names.

Field Name	Type	Default Value
cookie_prefix	string

Example

Set globally

gtag('set', 'cookie_prefix', 'prefix');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'cookie_prefix': 'prefix'
});

cookie_update

When cookie_update is set to true, gtag.js will 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.

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.

Field Name	Type	Default Value
cookie_update	boolean	true

Example

Set globally

gtag('set', 'cookie_update', true);

Set for a single stream

gtag('config', 'STREAM_ID', {
  'cookie_update': true
});

ignore_referrer

Set to true to indicate to Analytics that the referrer shouldn't be displayed as a traffic source. Learn when to use this field

Field Name	Type	Default Value
ignore_referrer	boolean	false

Example

Set globally

gtag('set', 'ignore_referrer', true);

Set for a single stream

gtag('config', 'STREAM_ID', {
  'ignore_referrer': true
});

language

Specifies the language preference of the user. Defaults to the user's navigator.language value.

Field Name	Type	Default Value
language	string	The default value will be navigator.language

Example

Set globally

gtag('set', 'language', 'en-us');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'language': 'en-us'
});

page_location

Specifies the full URL of the page. Defaults to the user's document.location value.

Field Name	Type	Default Value	Character Limit
page_location	string	The default value is document.location	1000

Example

Set globally

gtag('set', 'page_location', 'https://example.com/page1');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'page_location': 'https://example.com/page1'
});

page_referrer

Specifies which referral source brought traffic to a page. This value is also used to compute the traffic source. The format of this value is a URL. Defaults to the user's document.referrer value.

Field Name	Type	Default Value	Character Limit
page_referrer	string	The default value will be document.referrer	420

Example

Set globally

gtag('set', 'page_referrer', 'https://example.com');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'page_referrer': 'https://example.com'
});

page_title

The title of the page or document. Defaults to the user's document.title value.

Field Name	Type	Default Value	Character Limit
page_title	string	The default value will be document.title	300

Example

Set globally

gtag('set', 'page_title', 'Settings');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'page_title': 'Settings'
});

send_page_view

Set to false to prevent the default snippet from sending a page_view.

Field Name	Type	Default Value
send_page_view	boolean	true

Example

Set globally

gtag('set', 'send_page_view', false);

Set for a single stream

gtag('config', 'STREAM_ID', {
  'send_page_view': false
});

screen_resolution

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.

Field Name	Type	Default Value
screen_resolution	string	The default value will be calculated from window.screen

Example

Set globally

gtag('set', 'screen_resolution', '800x600');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'screen_resolution': '800x600'
});

user_id

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.

Field Name	Type	Default Value	Character Limit
user_id	string		256

Example

Set globally

gtag('set', 'user_id', 'id');

Set for a single stream

gtag('config', 'STREAM_ID', {
  'user_id': 'id'
});

user_properties

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.

Field Name	Type	Default Value	Character Limit
user_properties	object		property name=24 property value=36

Example

Set globally

gtag('set', 'user_properties', {
  'favorite_color': 'blue'
});

Set for a single stream

gtag('config', 'STREAM_ID', {
  'user_properties': {
    'favorite_color': 'blue'
  }
});