Attributes Reference

Look up the name, ID, type, supported channels, and example values for each attribute.

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Each section lists the attribute name, ID, and type. Default, named user ID, and NPS survey attributes also include supported channels and example values. See also the Attributes user guide.

Default attributes

Airship automatically sets the following default attributes based on device propertiesInformation about a channel, such as language and time zone settings, OS and browser versions, and notification opt-in status. Device properties apply to a channel only, not a named user. Values come from the user’s device when an SDK is present, or are set via the API for channels without one. Each property is automatically made available as an attribute, a tag, or both for audience segmentation.:

NameIDTypeChannelsExample
Application Version (for iOS and Android)ua_app_versionTextApp1051.c3eca0, 957
Browser Nameua_browser_nameTextWebchrome, firefox
Browser Typeua_browser_typeTextWebmobile or desktop
Browser Versionua_browser_versionTextWebchrome-77, firefox-69
Carrier1ua_carrierTextAppVerizon, AT\u0026T, Free, Google Fi
Channel Typeua_channel_typeTextAllapp, web, email, sms, or open
Country Codeua_country_codeTextSMSThe country dialing code derived from the MSISDNA mobile phone number, including country code, in your Airship audience.. Examples: 1 for United States or 44 for United Kingdom.
Device Modelua_device_modelTextAppPixel 3a, iPhone8,1
Device OS Versionua_device_osTextApp13.1.2, 10
Email Domainua_email_domainTextEmailexample.com
Languageua_languageTextApp, weben
Language Countryua_countryTextApp, webTwo-letter ISO country code like DE, or Unknown
Location Enabledua_location_settingsTextApptrue/false value indicating if location services are enabled
Mobile Platformua_mobile_platformTextAppios, android, or amazon
NDCua_ndcTextSMSThe 2- or 3-digit national destination code, commonly known in the US as the area code. Example: 503. This attribute is country-specific and is only populated if the MSISDNA mobile phone number, including country code, in your Airship audience. has a discernible code.
RCS Enabledua_rcs_enabledTextSMStrue if messages can be upgraded to RCS, or unset if unknown
SDK Versionua_sdk_versionTextApp, web12.0.0-beta3 (Point version)
Sender IDua_sender_idTextSMSThe sender IDAn originating phone number or string identifier used to indicate who an SMS message comes from. Members of your audience subscribe (opt in) to each sender ID they want to receive messages from. associated with the SMS channel, such as a short code, long code, or alphanumeric sender. Example: 12345.
Subdivisionua_subdivisionTextSMSThe ISO 3166 country and subdivision for the channel — state, province, etc. Example: US-OR.
Time Zone (Local time zone)ua_local_tzTextApp, webIANA time zone identifier. Example: Africa/Abidjan

1. The Carrier attribute is not available as of SDK 20 for both iOS and Android and was removed on October 8, 2025.

Named user ID attribute

If a channel has a named userA contact identified with an ID you provide, such as a customer ID from your CRM. Associating channels with that ID maps multiple devices and channels to one individual. Each named user has a unique named user ID., Airship automatically generates the ua_named_user_id attribute, with the named user ID as its value:

NameIDTypeChannelsExample
Named User IDua_named_user_idTextApp, web, email, SMSa.user or abd3c488-52c8-4fb7-942b-10ffSAMPLEb5

NPS survey attributes

The following attributes are generated from user responses to NPS surveys in Scenes:

NameIDTypeChannelsValue
NPS Categoryua_nps_categoryTextAppOne of three categories: detractor, passive, or promoter.
NPS Scoreua_nps_scoreNumberAppA number 0-10

Predefined attributes

The following preformatted attributes are available to add to your project and set on your audience:

NameIDType
TitletitleText
First Namefirst_nameText
Last Namelast_nameText
Full Namefull_nameText
GendergenderText
ZipcodezipcodeNumber
CitycityText
Region 1regionText
CountrycountryText
BirthdatebirthdateDate
AgeageNumber
Mobile Phone Numbermobile_phoneNumber
Home Phone Numberhome_phoneNumber
Work Phone Numberwork_phoneNumber
Loyalty Tierloyalty_tierText
CompanycompanyText
UsernameusernameText
Account Creationaccount_creationDate
Email AddressemailText
AltitudealtitudeNumber
LatitudelatitudeNumber
LongitudelongitudeNumber
Advertising ID (IDFA)advertising_idText

1. State or province.