# Module Configuration

## Module Manifest vs. Module Configuration

Module Configuration is an override over a particular Manifest that only contains part of the Manifest that are relevant for a particular use case.

Let’s take a look on the Car Module: it contains two artifacts, a name and a preview:

```yaml
assetId: asset.morpheusxr.car
name: Car
meta:
  preview: https://storage.googleapis.com/xmorpheus-public-assets/artifacts/previews/v2/car.png
contents:
  - artifact:
      id: car.ford
      data: data.uZ_dpln_mTUK3IGmeb46H.JOmjpVD5l-eEYrzAkvAUQ
  - artifact:
      id: car.bmw
      data: data.onveouruohpfpp9gfwpwi.orvouqv90ar9e0pf97vgr
```

Now, we want our users to be able to spawn Ford cars; also they should see them as ‘Guest Car’ in their spawn menu. For this, we need a Config, which is in the same format, but significantly shorter.

```
assetId: asset.morpheusxr.car
name: Guest Car
contents:
  - artifact:
      id: car.ford
```

`assetId` in the Module Config points to the Manifest this Config intends to override, other Manifest properties, if present, override the corresponding properties of the Manifest.

`contents` part of the config declares which items will be used when the Config is taken into action (for example, when an artifact is spawn). Only those items that are mentioned explicitly will be used. Properties of sub-manifests can also be overriden in the same way. In the example above, they are not.

Once created, Module Configs should be uploaded to a Content Folder of a particular Place. More details on this in the [Modules in Places](https://platform.morpheusxr.com/platform-modules/using-modules/modules-in-places) section.

## Examples of Configs

#### Trivial configuration: no overrides, just use the module

```
assetId: asset.morpheusxr.car
```

Use the cars module, but replace the 3D asset

 

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