# Sandbox.UI.StyleSheetCollection.CollectVariables

```csharp
IEnumerable<System.ValueTuple<string,string>> CollectVariables()
```

Returns all CSS variables from the owning panel and its ancestors.

### Returns

`IEnumerable<System.ValueTuple<string,string>>`

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