# Sandbox.Animation.GraphExternalSlots.Contains

```csharp
bool Contains(string slot)
```

Whether the running graph declares this slot. Does not search referenced child graphs.

### Parameters

- `slot` (`string`)

### Returns

`bool`

Declared in [Sandbox.Animation.GraphExternalSlots](/api/Sandbox.Animation.GraphExternalSlots).
Assembly: `Sandbox.Engine`.