ibm-cloud-sdk-core/build/docs/ibm-cloud-sdk-core.isfiledata.md

Core functionality to support SDKs generated with IBM's OpenAPI SDK Generator.

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## isFileData() function

**Signature:**

```typescript
export declare function isFileData(obj: any): obj is NodeJS.ReadableStream | Buffer;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

obj


</td><td>

any


</td><td>


</td></tr>
</tbody></table>
**Returns:**

obj is NodeJS.ReadableStream \| Buffer