# Sandbox.ModelHitboxBuilder.AddTag

```csharp
ModelHitboxBuilder AddTag(string tag)
```

Adds a tag to the hitbox.

### Parameters

- `tag` (`string`): The tag to add.

### Returns

`ModelHitboxBuilder`

Declared in [Sandbox.ModelHitboxBuilder](/api/Sandbox.ModelHitboxBuilder).
Assembly: `Sandbox.Engine`.