# Update placement's linked adunits

Endpoint: PUT /api/external/v1/placement/adunits
Version: v1.9
Security: oauth2

## Request fields (application/json):

  - `adunitCodes` (array)

  - `placementId` (string)

## Response 200 fields (application/json; charset=UTF-8):

  - `empty` (boolean)

  - `partialObject` (boolean)