SurveyToGo: List of all Automatically Captured Fields and Variables

List of all automatically captured fields and variables—includes Duration, NetDuration, Timestamp, DeviceIndex, SurveyorID, GPS, and others.

Aug 3, 2026
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List of all Automatically Captured Fields and Variables

Overview

When collecting data, SurveyToGo: will automatically capture certain variables in addition to the responses to the questions you have added to the survey. The following is the list of variables captured automatically and their descriptions:

List of fields

The list of fields includes:

Field Name	Variable name	Description
Duration	Duration	Column name of the duration. The duration specifies the time it took for the subject to reach the end of the survey from the moment the survey was started
NetDuration	ClientDuration	The actual time spent interviewing regardless of the device clock settings.
Start Date	Date	The local time on the device when pressing the “Start” button for this interview. Please refer to this post about the differences between the automatically captured datetime fields.
Visit End Date	Vend	The local time on the device after submitting the interview. Please refer to this post about the differences between the automatically captured datetime fields.
Visit Start Date	VStart	The local time on the device when starting the interview: Please refer to this post about the differences between the automatically captured datetime fields.
Client STG Version	STGVer	The version of the app used to perform the data collection.
Completed	Complete	Indicates if the interview was completed by reaching the end of the interview. Since early completion is supported this field is important. Please refer to this post to learn more about how not-completed interviews can be uploaded.
DeviceIndex	DeviceIndex	A unique identifier on the data collection device for this interview. The number is composed out of the device ID (or rather, the app installation ID as this ID changes each time the app is re-installed on the device) + a running index for each interview started on the device. Example: D22228-24 indicates device ID D22228 and running index 24.
External Reference Number	ExReNum	Custom field that can be used by the scripter of the survey to hold some information for this specific interview. This field can be set by the script and then used in data processing. Type: String.
Filtered	Filter	Indicates on which question index the interview got filtered. When -1 is specified it indicates the interview was NOT filtered.
Flags	Flags	Indicates special flags for this interview (modified after submit and more).
Free Scenario Name	FrScName	Custom field that can be used by the scripter of the survey to hold some information for this specific interview. This field can be set by the script and then used in data processing. Type: String.
Index	SbjNum	Server assigned unique identifier for this interview
Location ID	LocID	If customer is using the task system, this field specifies the location id where the interviewer conducted this interview.
Location Name	LocName	If customer is using the task system, this field specifies the location name where the interviewer conducted this interview.
Parent ID	ParentID	If this is a child interview of a parent interview, this field will indicate the Index of the parent interview. This field is used to link back interviews to the parent interview.
QA Score	QAScore	If utilizing the QA score system of SurveyToGo: this field indicates the score that the data quality team assigned to this interview based on the QA questions answered by the reviewer.
RunningIndex	RunningIndex	Not used. Is always set to -1.
SID	SID	A unique identifier on the data collection device for this installation on the device. This ID changes each time the app is re-installed on the device)
Status	Status	Status that the interview is in. You can utilize statuses to implement your own work flow with SurveyToGo.
Stop Question	StopQ	In case this interview was not completed, this field indicates the question index of the question that was last filled out.
Subject Data	SubjData	Custom field that can be used by the scripter of the survey to hold some information for this specific interview. This field can be set by the script and then used in data processing. Type: String.
Subject Mode	Test	If interview is a production one the field will read False otherwise will read True
Subject Name	SbjNam	Contains the platform name of the interview: Android_subject: indicates Android PC_Subject: indicates PC PPC_Subject: Indicates Windows Mobile SP_Subject: Indicates Windows smart phone
Subject Unique Tag	UsrUnq	Not used.
SurveyDeviceIndex	SurveyDeviceIndex	Same as Device Index but running index is kept for this survey specifically instead of device wide.
Survey version	SrvVer	The version of the survey used to collect the data of this interview. The survey version number increases each time someone saves the survey in the SurveyToGo: Studio.
TaskID	TaskID	If customer is using the task system, this field specifies the id of the task to which this interview belongs to.
UTC Offset	UTCDiff	The offset from UTC that the device used to conduct this interview. Based on the clock of the device.
Version	SbjVer	Version of the interview. Each time the interview is changed from the SurveyToGo: Studio and saved the version of the interview is increased. Version other than 1 would indicate that some properties of the interview were changed and saved after data collection.
Latitude	Latitude	GPS Latitude information as captured by the device at the start of the interview.
Longitude	Longitude	GPS Longitude information as captured by the device at the start of the interview.
Review Time	RvwTime	Date and time at the point when this interview was switch to approved status.
Review comment	RvwComment	If a comment was added from the SurveyToGo: Studio to this interview this field will show this comment. Comments are optional and used during the data quality control process.
Surveyor Comment	SrvyrComment	Any comments added by the interviewer during the interview.
Surveyor Name	Srvyr	The user name of the interviewer conducting the interview

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SurveyToGo-List-of-all-Automatically-Captured-Fields-and-Variables

SurveyToGo: List of all Automatically Captured Fields and Variables

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