Deprecated - Retrieve statistics of specific assignments.

The api to get statistics of specific assignments v1.0 (v1.0/admin/assignments/stats) is deprecated. The end of life is 31-Dec-2025. Use the following alternative API: GET /v2.0/assignments/stats
API request is only valid for resources created using V1 version. Attempting to access V2-exclusive resources with the V1 API will result in a 400 error. Additionally, V2 resources are excluded from V1 API filter search results.
Get aggregated statistics about assignments in a specific campaign instance. Filters could be applied to refine the entities to use for generating statistics. If called by application owner, the API returns statistics across all instances he created or containing at least one application he owns.
Entitlements required: manageAccessCertification [Manage Access Certification].