The type of event. For this webhook, it is always
participant.status_changed.Unique identifier of the participant.
Unique identifier of the person.
Unique identifier of the study.
New status of the participant. Possible values are
NOT_STARTED, INVITE_SENT, NOT_ELIGIBLE, SCREENER_STARTED, SCREENER_COMPLETED, SCREENER_QUALIFIED, SCREENER_DISQUALIFIED, INTERVIEW_INVITE_SENT, INTERVIEW_SCHEDULED, INTERVIEW_COMPLETED, INTERVIEW_CANCELLED, INTERVIEW_NO_SHOWED, SURVEY_STARTED, SURVEY_COMPLETED, INCENTIVE_SENT, INCENTIVE_CLAIMED, INCENTIVE_SKIPPED, UNMODERATED_TEST_INVITE_SENT, UNMODERATED_TEST_STARTED, UNMODERATED_TEST_COMPLETED, COMPLETED_STUDY, CANCELLED, OPTED_OUT, EMAIL_SOFT_BOUNCED, EMAIL_HARD_BOUNCED.Prior status of the participant. Null if the participant was just created. Possible values are the same as
status.Timestamp the participant status changed.