# AccessVariability enum

Namespace: [Grasshopper2.Parameters](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.parameters.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public enum AccessVariability
```

Enumerates the various allowances for parameter Access levels.

## Values

| Name | Value | Description |
| --- | --- | --- |
| None | 0 | The Access level of the parameter is not allowed to change. |
| ItemsAndTwigs | 1 | The paramereter allows switching between 'item' and 'twig' Access levels. |
| ItemsAndTrees | 2 | The paramereter allows switching between 'item' and 'tree' Access levels. |
| TwigsAndTrees | 3 | The paramereter allows switching between 'twig' and 'tree' Access levels. |
| ItemsAndTwigsAndTrees | 4 | The paramereter allows switching between 'item, 'twig' and 'tree' Access levels. |