Here we describe the ability to delete a respondent's survey data, based on their phone number and/or email address. This is part of the GDPR initiative that gives the respondent the right to have any survey data held deleted.

The first step is to define in Supervisor, in the Task properties window, which questions from your survey contain the telephone number and/or the email address:

Then, from the ribbon menu select Extra and then click on the "Find Interviews" icon:

This will open a window where you can perform you search, based on a phone number or email address:

That will scan all survey data where you have set a phone and/or email address. From the list returned by the search, you have two possibilities:

> Delete: It will completely remove the data for this user on the selected survey.

> Modify: It will open the modify interview window on this specific interview.

For those respondents who want to be forgotten you need to be able to demonstrate that you have deleted their personal information. Askia has introduced a “Clean-up” feature that will generate automatic reports for deleted tasks (surveys, lists, statistics). Existing features supporting the right to be forgotten include deletion reports. Askia advises to run the tool regularly while keeping track of the surveys that need removal from the platform. Once identified, the tool will erase all data related to this survey, whether or not it holds personal data.

 See the Clean-up article 🛠️