Is it possible to collect metadata using a public survey?

[vanessagiles]

xlsform.org lists these metadata types however they don't seem to be available in Survey123 Connect.  Am I missing something?

Is there a way of keeping tabs on who is submitting data?

(We are running a volunteer project so don't want to make them log in however would like to keep an eye out for any extraneous records)

[MitchellProctor]

Hi Vanessa,

There is some supported metadata fields in Survey123, both from that list and outside of it, but none that fill your specific need, unfortunately.

There might be alternatives to what you're asking to confirm that an entry is from one of your volunteers, though. A recent one that came up that I quite liked was https://community.esri.com/groups/survey123/blog/2017/03/03/add-a-password-to-a-public-form-using-pu..., which might help to confirm that the source of a response can be trusted.

[JamesTedrick]

To amplify on Mitchell's answer-

We do support deviceid via the property() function - Prepopulate answers—Survey123 for ArcGIS | ArcGIS describes this.  That being said, deviceid doesn't necessarily provide user identity - you would need to assemble a correlation between the user and device(s) they use.  Additionally, for privacy reasons, the deviceid on iOS is generated by iOS and is known to change after an upgrade (for the same reason, the phone number is not available on iOS even if we had support for it).