# Sandbox.ITagSet.Add

## Overload 1

```csharp
void Add(string tag)
```

Add a tag to the set.

### Parameters

- `tag` (`string`)

## Overload 2

```csharp
void Add(ITagSet set)
```

Add the tags from another set, to this set

### Parameters

- `set` (`ITagSet`)

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