The ID of the target to get the required variables from.
Successful Response
Pending, Scheduled, In Progress, Finished, To review, Failed, Waiting, SMS Scheduled retrieved, not_retrieved NO_RESPONSE, TRANSFER, TRANSFER_FAILED, VOICEMAIL, SERVICE_NOT_AVAILABLE, HUMAN_ONLY, AFTER_HOURS, CLOSED_FOR_HOLIDAYS, IVR_LOOP, INPUT_DATA_ISSUE, WRONG_PHONE_NUMBER, NOT_FOUND, UNPROCESSABLE_BY_PHONE, DISCONNECTED, NOT_ALL_DATA_POINTS_RETRIEVED, MEMBER_CONSENT_REQUIRED, SLA_EXPIRED, PAYOR_NOT_SUPPORTED, NO_OPERATING_HOURS PROVIDER, MEMBER, FACILITY, REQUEST, OTHER