Default User Properties

User Property	Type	Description	Display Name
timezone	string	The difference in hours and minutes from Coordinated Universal Time ' + '(UTC) for a particular place and date, not necessarily correlated with location.'	Timezone
locale	string	Locale of the user on Facebook. The basic format is ll_CC, ' + 'where ll is a two-letter language code, and CC is a two-letter country code.' + 'For example, users in Thailand can have en-US as their locale where en is the ' + 'language code for English and US is the country code for the US.	Locale
lang	string	The language the user has set. Combined with the country code ' + 'will give you the full locale of the user.	Lang
gender	set `valueIn: ['male', 'female']`	The gender of the user.	Gender
nonReportable	boolean	True if the user's activity should be hidden in analytics.	Non Reportable
userLocation	string	A user's location entered via free text or from a location quick reply.	Location
userPhoneNumber	string	A user's phone number entered via free text or from a phone number quick reply.	Phone Number
userEmail	string	A user's email address entered via free text or from an email quick reply.	Email
lastInteractionTime	time	A timestamp indicating the last time the user performed an action.	Last Interaction Time
lastNotifTime	time	A timestamp indicating the last time the user was sent a notification.	Last Notification Time
hasblocked	boolean	Users who have blocked the bot. This means we will not be able to send notifications or messages to this user until they reinitiate contact with the bot.	Blocked By User
currentState	string	The id of the block that the user last transitioned to.	Current Block
currentGroup	string	The id of the group containing the block the user last transitioned to.	Current Group
loc_country_code	string	The country code as determined by the IP the user was last seen at.	Country Code
loc_region_code	string	The region code as determined by the IP the user was last seen at.	Region Code
loc_city	string	The city name as determined by the IP the user was last seen at.	City
original_referral_source	string	The source this user originally entered from. Non set for organic users.	Original Referral Source
original_referral_id	string	The id of the referral this user originally entered from. Non set for organic users.	Original Referral Id

Default Platform User Properties

Facebook

Snaps receives some default user properties from Facebook. If a user chooses not to share this information with Facebook, they will not have the following user properties:

Gender
Timezone
Locale
Language

It is now required that during the application review process you submit for access to timezone , locale, gender, and language. See more about the Facebook App Submission Process.