# Categories (Folders)

You can create assets in any folder known by your users, or move an existing asset into a folder. The asset stores the folder information in an attribute called category.

To create or move an asset into a folder, add a category to the asset as an object, using the `category` attribute. Add the ID of the category.

## Sample Asset with Category

```json
{
  "name": "NTO Welcome Series Email",
  "assetType": {
    "id": 207,
    "name": "templatebasedemail"
  },
  "category": { "id": 1234567 }
}
```

## Related Items

- [Asset Model](/docs/marketing/marketing-cloud/guide/asset-model.md)
- [Asset Model Example](/docs/marketing/marketing-cloud/guide/asset_model_examples.md)