# DataMethod delegate

Namespace: [GrasshopperIO.DataBase](https://developer.rhino3d.com/api/gh2/namespace/grasshopperio.database.md) · Assembly: [GrasshopperIO](https://developer.rhino3d.com/api/gh2/assembly/grasshopperio.md)

```cs
public delegate DataMethod
```

Method used for operating on Byte data inside an archive.

**Signature:**

```cs
void DataMethod(string path, byte[] data)
```

**Parameters:**

- `path` ([string](https://learn.microsoft.com/dotnet/api/system.string)): Path of byte data.
- `data` ([byte[]](https://learn.microsoft.com/dotnet/api/system.byte)): Byte data itself.