is_recurringIf yes, the campaign belong to a repeat occurring campaign who audience group is auto generated by system from time to time
nameName of the audience group
roi_typeType of campaign (bulk, Bounce back , recurring etc)
group_version_numberIf Recurring Campaign this stores the count of group creation for that group
campaignCampaign name
campaign_end_dateCampaign start date - when messages are sent to customers
campaign_start_dateCampaign end date - when we stop attributing responder information for target customers
group_typeTest and Control. Control group are not communicated where as Test group is communicated
idGroup ID  used to map a campaign group to a campaign