This is the part of osiam wiki for the extension interface

wiki.part

To get all persisted extension definition you can send a GET-Request to a OSIAM specific interface: 

```http
http://OSIAMHOST:8080/osiam-resource-server/osiam/extension-definition
```

The response contains the list of all extension definitions that are persisted in the OSIAM database. This interface is also secured. That means that you need to put a valid access token into the authentication header. 

The following shows you an example cURL command to get the extension definitions. 

```sh
curl -H "Authorization: Bearer $YOUR_ACCESS_TOKEN" -X GET http://OSIAMHOST:8080/osiam-resource-server/osiam/extension-definition
```