---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/media/contracts/functions/implementsMediaEngine.md
---

# Function: implementsMediaEngine()

```ts
function implementsMediaEngine(value: unknown): value is MediaEngine;
```

Defined in: [src/batteries/media/contracts.ts:465](https://github.com/NHTIO/ADK/blob/v1.20260713.1/src/src/batteries/media/contracts.ts#L465)

`true` when `value` structurally implements [MediaEngine](../interfaces/MediaEngine.md): a string id plus at least
one well-formed capability entry. Every declared entry must pass its capability guard.

## Parameters

| Parameter | Type      |
| --------- | --------- |
| `value`   | `unknown` |

## Returns

`value is MediaEngine`