# variantGroup

> Tool variants are used to group logically similar tools into a single button in the Tools Overlay.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.EditorTools](/engine/6000.6/script-reference/unityeditor/editortools.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public Type variantGroup { get; set; }
```

### Remarks

The [ToolAttribute.variantGroup](/engine/6000.6/script-reference/unityeditor/editortools/toolattribute/variantgroup.md) type acts a key to specify groups of tools that should be considered a group in the UI.

### Examples

```csharp
using System;
using UnityEditor;
using UnityEditor.EditorTools;
using UnityEngine;

namespace GlobalToolVariants
{
    // Define 3 tools that should be shown as a single button in the Tools Overlay.
    struct ShapeVariantGroup {}

    [EditorTool("Line (Custom Global)", variantGroup = typeof(ShapeVariantGroup), variantPriority = 2)]
    [Icon("Assets/Examples/Icons/Variant-Line.png")]
    class Line : EditorTool {}

    [EditorTool("Circle (Custom Global)", variantGroup = typeof(ShapeVariantGroup), variantPriority = 1)]
    [Icon("Assets/Examples/Icons/Variant-Circle.png")]
    class Circle : EditorTool {}

    [EditorTool("Square (Custom Global)", variantGroup = typeof(ShapeVariantGroup), variantPriority = 0)]
    [Icon("Assets/Examples/Icons/Variant-Square.png")]
    class Square : EditorTool {}
}
```