# NamedPalette.MergeDelegate delegate

Namespace: [Grasshopper2.Types.Colour](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.types.colour.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public delegate NamedPalette.MergeDelegate
```

Merge a collection of colours.

**Signature:**

```cs
NamedColour NamedPalette.MergeDelegate(NamedColourCollision collision)
```

**Parameters:**

- `collision` ([NamedColourCollision](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.colour.namedcolourcollision.md))