Retrieves the campaign instance statistics from the specific tenant.

The API is used to retrieve the campaign instance statistics from the specific tenant.
Unspecified filter parameters are treated as having the default values.
Every provided parameter value is considered as an extra filter for the search criteria.
If called by an application owner, the API returns statistics of the instances that the owner created or contains at least one application that the owner owns.
If called by user manager, the API returns statistics of instances, for which there is at least one item to review.
Entitlements required: manageAccessCertification [Manage Access Certification].