Property Description
CampaignId A unique identifier for a specific campaign.
CampaignName Name of specified campaign (identified by CampaignId)
Events The events array contains one or more message open event records.
Each record contains the following properties: Email, Date and SubscriberId.
Email The email address of the subscriber that has opened email message.
Date The date and time when event occurred
SubscriberId A unique identifier for the subscriber that opened email message. By default, it is equal to subscriber email address,
however it can be equal to specific custom field value in the list.
Random Different random value in each response, present for security reasons
NotificationType Event type name (MessageOpen for this particular notification)