| majorModelVersion | string | | false | Reference to the major version of the filiere model used | | |
| interrogationId | string | | true | Unique identifier for the interrogation | | |
| technicalSurveyUnitId | string | | false | Unique technical id for the survey unit, this variable may not have a value yet | | |
| usualSurveyUnitId | string | | true | Usual survey unit id used by external system (business identifier) | | |
| partitionId | string | | true | Unique identifier for the partition, this variable may not have a value yet | | |
| campaignId | string | | false | Unique identifier for the campaign, retained for backward compatibility. Deprecated | | |
| collectionInstrumentId | string | | true | Unique id for the questionnaire model instrument | | |
| mode | string | | true | Collect modes | | |
| isCapturedIndirectly | boolean | | true | Indicates if questionnaire is captured indirectly | | |
| questionnaireState | string | | true | State information about the questionnaire | | |
| validationDate | string | date-time | false | Indicates the validation date of the questionnaire (null if partial) | | |
| data | object | | true | Data associated with the questionnaire (json lunatic format) | | |