> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://help.sigmacomputing.com/docs/system-functions/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://help.sigmacomputing.com/_mcp/server. # System functions > Browse Sigma system functions available in formulas and calculations. System functions return information about your Sigma organization, including details about users and system configurations. | Function | Description | | :--------------------------------------------------------- | :---------------------------------------------------------------------------------------------------------------------------- | | [CurrentTimezone](/docs/currenttimezone) | Returns your organization's [IANA time zone](https://www.iana.org/time-zones) as configured in the **Administration** portal. | | [CurrentUserAttributeText](/docs/currentuserattributetext) | Returns the value of a specific attribute for the current (signed-in) user. | | [CurrentUserEmail](/docs/currentuseremail) | Returns the email address associated with the current (signed-in) user's account. | | [CurrentUserFirstName](/docs/currentuserfirstname) | Returns the current (signed-in) user’s first name as configured in the user’s profile. | | [CurrentUserFullName](/docs/currentuserfullname) | Returns the current (signed-in) user’s first and last name as configured in the user’s profile. | | [CurrentUserInTeam](currentuserinteam) | Returns `true` if the current user is a member of a specific teams. | > Official documentation and guidance for using Sigma to build AI apps, dashboards, and agents on governed warehouse data. ## Docs - [CurrentTimezone](https://help.sigmacomputing.com/docs/currenttimezone.md): Use the Sigma CurrentTimezone function to return the name of the IANA time zone configured as your organization's account time zone. - [CurrentUserAttributeText](https://help.sigmacomputing.com/docs/currentuserattributetext.md): Use the Sigma CurrentUserAttributeText function to return the corresponding attribute value for the current user as a Text data type. - [CurrentUserEmail](https://help.sigmacomputing.com/docs/currentuseremail.md): Use the Sigma CurrentUserEmail function to return the email address associated with the current (signed-in) user's account. - [CurrentUserFirstName](https://help.sigmacomputing.com/docs/currentuserfirstname.md): The CurrentUserFirstName function returns the current (signed-in) user’s first name as configured in the user’s profile. - [CurrentUserFullName](https://help.sigmacomputing.com/docs/currentuserfullname.md): The CurrentUserFullName function returns the current (signed-in) user’s full name as configured in the user’s profile. - [CurrentUserInTeam](https://help.sigmacomputing.com/docs/currentuserinteam.md): Returns True if the current user is a member of any of the given teams.