How is the user ID created?

  • 26 January 2021
  • 3 replies

I know I can make the participants signin with their full name and email address but can I add a third line that will show on the reports, for example a student number. If not how is the USER ID created in the system? And is that assignable?


3 replies

Userlevel 4

Hi @Erika Jensen-Jarolim,

If participants voted anonymously, there is no way to trace who submitted which answer.

The user IDs are randomly assigned and can only help you connect answers across different polls. 

If you want to disable anonymous voting in polls, you need to set this up before the event with a customisation which you can request at For the Q&A, you can disable anonymous questions in your admin before the event.

I hope I got to you in time! If you need urgent help, please reach out to our customer care team at or open a chat from your admin.

Userlevel 4

Hi @slido4now,

User IDs are randomly assigned unique numbers to help you distinguish between participants in the exports. 

It is possible to add an additional field but it’d have to be done by our customizations team. In addition to the name and email address, we usually add a field like “Company” to collect the companies that your attendees are - however, we can rename that field to “Studen ID” for example. 

To confirm you’d like to have this customization, please email from the email associated with your Slido account and reference to this question. 

Please let us know if this solution would work for you! :) 

Hi, I would like to know how to decode the IDs that our participants have.

We had a poll and we need to know who voted what. in the exported Excel list we see only partly the names, a big part is encoded, e.g. 163a220be6113beb3cb9d13d18d9e1343bb8351b


THX for support, this is really urgent

best, Erika