AI-generated Key Takeaways
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This page outlines common event data parameters available across various event types in Google Tag Manager.
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These parameters provide information about users, their devices, page details, and event specifics, like currency and value.
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You can access event data using the
Event Datavariable or thegetEventDataAPI. -
Event data can include sensitive information like personally identifiable information (PII) such as email, address, and phone number.
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For security and privacy, hashed versions of PII are available, using SHA256 for encryption, in line with Google's data policies.
The following are event data common across different types of events. These
values can be retrieved using the Event Data variable or the
getEventData API.
| Parameter | Type | Example | Description |
|---|---|---|---|
| client_id | string |
ABC_123 | Arbitrary ID that anonymously identifies a particular user, device, or browser instance. |
| currency | string |
USD | Currency of the purchase or items associated with the event, in 3-letter ISO_4217 format. |
| event_name | string |
purchase | The name of the event. |
| ip_override | string |
1.2.3.4 | The IP address of the user in IPv4 or IPv6 format. |
| language | string |
en_us | The language for the client in ISO 639-1. |
| page_encoding | string |
UTF-8 | The text encoding of the page. |
| page_hostname | string |
example.com | The hostname portion of page_location. |
| page_location | string |
https://example.com | The full document URL of the page. |
| page_path | string |
/path/to/page | The path portion of page_location. |
| page_referrer | string |
https://www.google.com | Full URL of the page that referred to the user to the page where the event occurred. This is not the value of the Referrer header on the request coming into the server container. |
| page_title | string |
Home | The title of the page. |
| screen_resolution | string |
1024x768 | Total screen resolution for the user's device. (width by height). |
| user_agent | string |
The client's user agent. | |
| user_data.email_address | string |
foo@example.com | Email address of the user. |
| user_data.sha256_email_address | string |
Hashed email address of the user. Learn more | |
| user_data.phone_number | string |
+15551234567 | Phone number of the user. |
| user_data.sha256_phone_number | string |
Hashed phone number of the user. Learn more | |
| user_data.address.first_name | string |
Jane | First name of the user. |
| user_data.address.sha256_first_name | string |
Hashed first name of the user. Learn more | |
| user_data.address.last_name | string |
Doe | Last name of the user. |
| user_data.address.sha256_last_name | string |
Hashed last name of the user. Learn more | |
| user_data.address.street | string |
123 Fake St | Street and number for the address of the user. |
| user_data.address.city | string |
City Town | City for the address of the user. |
| user_data.address.region | string |
CA | State or territory for the address of the user. |
| user_data.address.postal_code | string |
54321 | Postal code for the address of the user. |
| user_data.address.country | string |
US | Country code for the address of the user. |
| user_id | string |
Arbitrary ID that is intended to be a known identifier for a user provided by the site owner/library user. | |
| value | number |
10 | Monetary value of the event that occurred. |
| viewport_size | string |
725x345 | Size of the content window. Usually smaller than the screen resolution. (width by height). |