# BinaryWriterExtensions

> Provides write methods for a BinaryWriter.

## Definition

* **Type:** Class
* **Namespace:** [Unity.Entities.Serialization](/engine/7000.0/script-reference/unity/entities/serialization.md)
* **Assembly:** UnityEngine.EntitiesModule

```csharp
public static class BinaryWriterExtensions
```

## Static Methods

| Method                                                                                                          | Description                      |
| --------------------------------------------------------------------------------------------------------------- | -------------------------------- |
| [Write](/engine/7000.0/script-reference/unity/entities/serialization/binarywriterextensions/write.md)           | Writes a single byte.            |
| [WriteArray](/engine/7000.0/script-reference/unity/entities/serialization/binarywriterextensions/writearray.md) | Writes data from a native array. |
| [WriteList](/engine/7000.0/script-reference/unity/entities/serialization/binarywriterextensions/writelist.md)   | Writes data from a native list.  |