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[`CapacitorAdapter`](CapacitorAdapter) › [`readBinary`](CapacitorAdapter/readBinary)
## CapacitorAdapter.readBinary() method
1.7.2
**Signature:**
```typescript
readBinary(normalizedPath: string): Promise<ArrayBuffer>;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| <code>normalizedPath</code> | <code>string</code> | |
**Returns:**
`Promise<``ArrayBuffer``>`