The api to create a preview campaign v1.0 (v1.0/admin/instances/{id}/preview) is deprecated. The end of life is 31-Dec-2025. Use the following alternative API: POST /v2.0/instances/{id}/preview
API request is only valid for resources created using V1 version. When a V1 resource is modified by using the V2 API, it will be aligned as a V2 resource. Attempting to access V2-exclusive resources with the V1 API will result in a 400 error.
Create a preview campaign from the specified campaign instance.
Entitlements required: manageAccessCertification [Manage Access Certification].