---
title: "List a placement's default invocation-code parameters"
type: reference
method: GET
path: /rest-api/placements/{placementId}/default-invocation-params.do
tag: "Placements"
---

# List a placement's default invocation-code parameters

`GET https://YOUR-NETWORK-DOMAIN/rest-api/placements/{placementId}/default-invocation-params.do`

Lists the parameters every invocation code of the placement carries by default, as type/value pairs; a multi-valued type contributes one pair per value. Requires VIEW access to the placement's site.

## Path params

| Name | Type | Required | Example | Description |
|---|---|---|---|---|
| `placementId` | integer | yes | `4001` | Placement ID |

## Responses

- `200` — {success, data:[{type, value}]}
- `400` — Bad request — invalid or missing parameters
- `401` — Authentication error
- `403` — No VIEW access to the site
- `404` — Placement, its zone or its site not found or deleted

## Example request

```bash
curl --request GET \
  --url 'https://YOUR-NETWORK-DOMAIN/rest-api/placements/4001/default-invocation-params.do' \
  --header 'X-Api-Key: YOUR_API_KEY'
```

Source: https://epom.com/ad-server/docs/api/placements/get-placements-default-invocation-params