# Sandbox.ByteStream.WriteArray

## Overload 1

```csharp
void WriteArray(System.ReadOnlySpan<T> arr)
```

### Parameters

- `arr` (`System.ReadOnlySpan<T>`)

## Overload 2

```csharp
void WriteArray(T[] arr, bool includeCount = True)
```

Writes an array of unmanaged types

### Parameters

- `arr` (`T[]`)
- `includeCount` (`bool`), default `True`

Declared in [Sandbox.ByteStream](/api/Sandbox.ByteStream).
Assembly: `Sandbox.System`.