Deprecated - Add new assignments to a continuous campaign instance.

post https://{tenanturl}/v1.0/admin/instance/{id}/assignments

The api to add new assignments v1.0 (v1.0/admin/instance/{id}/assignments) is deprecated. The end of life is 31-Dec-2025. Use the following alternative API: POST /v2.0/instances/{id}/assignments
API for adding new assignments in a specific instance of a continuous campaign. If called by an application owner, the API can add assignments only for campaigns that the owner created or that contain at least one application that the owner owns.
Entitlements required: manageAccessWorkflow [Manage Access Work Flows].