Can be used to filter answers by state.
| Value | Description |
|---|---|
| all | All answers. |
| complete | The respondent has answered to the survey. |
| incomplete | The respondent has started answering to the survey, but has not gone through the whole survey. |
| unstarted | Answers that are created but not started. The respondent has not visited the survey yet. |
| current | List of email addresses is provided within the request. |