This page lists the field names available for Analytics Browser Sessions data, along with the Events Service internal name. When accessing the data using ADQL queries, you need to use the Events Service internal name. The Browser Sessions data can be viewed using the Analytics Query API. This page lists the fields that are specific to Browser Sessions. 

Event Type: web_session_records

Key (event type identifier): appkey

UI Field NameEvents Service Internal Name
Session Fields
Browserbrowser
Browser Versionbrowserversion
Citygeocity
Closedclosed
Countrygeocountry
Devicedevice
Device OSdeviceos
IP Addressip
Page View Countpageviews
Regiongeoregion
Session Duration (ms)metrics.durationMS
Session Start TimestartTimeMS
User Experienceexperience
Page View Fields
Client GUIDbrowserRecords.cguid
Page Error TypebrowserRecords.errortype
Page ExperiencebrowserRecords.pageexperience
RUM Page NamebrowserRecords.pagename
Custom User Data
your_field_name
userdata.your_field_name
userdataBoolean.your_field_name
userdataDate.your_field_name
userdataLong.your_field_name
userdataDouble.your_field_name

Note: if your field name contains spaces or any reserved characters, the field name must be surrounded by backquotes. For example, if you define a custom field called "Item Purchased", the Events Service field name is userdata.`Item Purchased`.