# Custom Services
-Here is an overview of all custom services that are available within Homer.
+Some service can use a specific a component that provides some extra features by adding a `type` key to the service yaml
+configuration. Available services are in `src/components/`. Here is an overview of all custom services that are available
+within Homer.
## PiHole
```
The url must be the root url of Radarr/Sonarr application.
The Radarr/Sonarr API key can be found in Settings > General. It is needed to access the API.
+
+
+## PaperlessNG
+
+For Paperless you need an API-Key which you have to store at the item in the field `apikey`.
+
+
+## Ping
+
+For Paperless you need an API-Key which you have to store at the item in the field `apikey`.