A Catalog Function is a parameterized service where the user supplies the parameters and gets back some result.  The Type column in the table below indicates the `"type"` property to use in the [Initialization File](../customizing/initialization-files.md).

| Name | Type |
|------|------|
| [Web Processing Service (WPS)](catalog-type-details/wps.md) | `wps` |
| [TerriaJS JSON](catalog-type-details/terria-json.md) | `terria-json` |
| [Places Like Me](catalog-type-details/places-like-me-function.md) | `places-like-me-function` |
| [Spatial Detailing](catalog-type-details/spatial-detailing-function.md) | `spatial-detailing-function` |
| [Why Am I Special](catalog-type-details/why-am-i-special-function.md) | `why-am-i-special-function` |