---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/sandbox/type-aliases/ModelWriteRoot.md
description: Opaque model-facing write root; constructed only by the path layer.
---

# Type Alias: ModelWriteRoot

```ts
type ModelWriteRoot = ModelPath & {
  __sandboxModelWriteRoot: unique symbol;
};
```

Defined in: [src/batteries/sandbox/types.ts:12](https://github.com/NHTIO/ADK/blob/v1.20260824.1/src/src/batteries/sandbox/types.ts#L12)

Opaque model-facing write root; constructed only by the path layer.

## Type Declaration

| Name                      | Type            | Defined in                                                                                                                  |
| ------------------------- | --------------- | --------------------------------------------------------------------------------------------------------------------------- |
| `__sandboxModelWriteRoot` | unique `symbol` | [src/batteries/sandbox/types.ts:12](https://github.com/NHTIO/ADK/blob/v1.20260824.1/src/src/batteries/sandbox/types.ts#L12) |