_sva object allows you to pre-configure the behavior of the Survicate script, by attaching an additional configuration code before the regular tracking code.
Respondent identification & custom attributes
You can pass custom respondent attributes from your website or application. We’ve reserved some attributes that we handle in a special way. For example, we expect email to be a string of the user’s email address.
Disabling automatic targeting
The visitors targeting script is run automatically every time there is a need to verify if a visitor matches the targeting configuration. We understand that for some users this isn't the desired behavior, e.g. custom targeting using the _sva.showSurvey method. If you wish to disable this feature, you can use the