> For the complete documentation index, see [llms.txt](https://docs.edgetag.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.edgetag.io/implementation/browser/user-info/standard-keys.md).

# Standard Keys

These are standard keys that we save in our **main** ID graph table. These are the keys that can be send to `user` function that do not accept any other custom keys.

| Key         | Format                                                                                                                                                                                                                         | Example           |
| ----------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ----------------- |
| email       | lowercase and no leading or trailing spaces                                                                                                                                                                                    | <user@domain.com> |
| phone       | in E.164 format                                                                                                                                                                                                                | +14154552670      |
| firstName   | lowercase with no punctuation. If using special characters, the text must be encoded in UTF-8 format                                                                                                                           | jane              |
| lastName    | lowercase with no punctuation. If using special characters, the text must be encoded in UTF-8 format                                                                                                                           | doe               |
| gender      | f for female / m for male                                                                                                                                                                                                      | f                 |
| dateOfBirth | <p>Format is YYYYMMDD, without punctuation.<br>Year: Use the YYYY format from 1900 to current year.<br>Month: Use the MM format: 01 to 12.<br>Date: Use the DD format: 01 to 31.</p>                                           | 19950521          |
| city        | lowercase with no punctuation. If using special characters, the text must be encoded in UTF-8 format                                                                                                                           | fremont           |
| state       | [2-character ANSI abbreviation code](https://en.wikipedia.org/wiki/Federal_Information_Processing_Standard_state_code) in lowercase. States outside the U.S. should be in lowercase with no punctuation, no special characters | ca                |
| zip         | lowercase with no spaces and no dash                                                                                                                                                                                           | 94538             |
| country     | lowercase, 2-letter country code in [ISO 3166-1 Alpha 2](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2)                                                                                                                     | us                |
| ip          | IPv4 / IPv6                                                                                                                                                                                                                    | 117.182.233.16    |


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