> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Data Type Overview

> Data Type Overview

# Data Type Overview

XBOX Live Services uses a variety of data types related to identity and authentication.
These articles provide an overview of those types.

| Type         | Description                                                                                                                                                                                              |
| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| gamertag     | A unique, human-readable screen name for the user.                                                                                                                                                       |
| Player       | A JSON object containing the user's XUID and gamertag, as well the player's index in the session (or "seat"), whether the player is still participating in the session, and a small blob of custom data. |
| profile      | Information about the user accessed through profile URI addresses and HTTP methods, usually the user's UserSettings, but also possibly including gamercard, gamertag, XUID, and so on.                   |
| setting      | One of the title-specific settings in a UserSettings object.                                                                                                                                             |
| UserClaims   | A simple JSON object containing the user's XUID and gamertag.                                                                                                                                            |
| UserSettings | A JSON object containing a collection of title-specific settings or preferences for the current authenticated user. UserSettings can contain arbitrary data, possibly related to in-game activity.       |
| XUID         | The user's XBOX User ID, a unique unsigned long long integer. Not meant to be human-readable.                                                                                                            |

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## See also

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##### Parent

[Additional Reference](/reference/live/rest/additional/atoc-xboxlivews-reference-additional)

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##### Reference

[Player (JSON)](/reference/live/rest/json/json-player)

[UserClaims (JSON)](/reference/live/rest/json/json-userclaims)

[UserSettings (JSON)](/reference/live/rest/json/json-usersettings)