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[Home](./index.md) &gt; [@keymanapp/kmc-kmn](./kmc-kmn.md) &gt; [KmnCompiler](./kmc-kmn.kmncompiler.md) &gt; [write](./kmc-kmn.kmncompiler.write.md)

## KmnCompiler.write() method

Write artifacts from a successful compile to disk, via callbacks methods. The artifacts written may include:

- .kmx file - binary keyboard used by Keyman on desktop platforms - .kvk file - binary on screen keyboard used by Keyman on desktop platforms - .js file - Javascript keyboard for web and touch platforms

**Signature:**

```typescript
write(artifacts: KmnCompilerArtifacts): Promise<boolean>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  artifacts | [KmnCompilerArtifacts](./kmc-kmn.kmncompilerartifacts.md) | object containing artifact binary data to write out |

**Returns:**

Promise&lt;boolean&gt;

true on success