post https://customer.my.onetrust.com/api/inventory/v2/inventories//link-processing-activities
Use this API to link an existing processing activity inventory as a child inventory to a parent processing activity inventory.
Example Request
POST https://{hostname}/api/inventory/v2/inventories/{parentInventoryId}/link-processing-activities
POST https://trial.onetrust.com/api/inventory/v2/inventories/96214230-ffbb-4870-b6c4-0f30c3bfec60/link-processing-activities