# CapsuleProcessInstallPackageRequest

Installs a Debian package in a running capsule, with `apt`.

**Kind:** an object, used in requests.

## Fields

| Field | Type | Required | Description |
|---|---|---|---|
| `packageName` | `string` | yes | The package name, such as `jq`: lowercase letters, digits, `+`, `-` and `.`. Constraints: required (empty or whitespace-only strings are rejected). |

## Example

```json
{
  "packageName": "..."
}
```

## Where it's used

- [`capsuleRuns.installPackage`](https://docs.maitento.com/reference/api/capsule-runs.md) (`POST /capsule-processes/by-id/{id}/packages`)