# ReaderInput.ReadBytes(byte[], int, int)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.buffers.readerinput/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.buffers.readerinput/methods/)

```csharp
public abstract void ReadBytes(byte[] destination, int offset, int length)
```

Reads bytes from the input into the destination array.

### Parameters

- `destination` (`byte[]`): The destination array.
- `offset` (`int`): The offset into the destination to start writing bytes.
- `length` (`int`): The number of bytes to copy into destination.