# Sandbox.Animation.GraphBuilder.TransitionEventCondition

```csharp
Node TransitionEventCondition(TransitionRule rule = 0, string markerId = null, EventQuerySettings settings = null)
```

Tests sampled transition animation events against a permission rule, optionally
filtering by a specific marker ID.

### Parameters

- `rule` (`TransitionRule`), default `0`
- `markerId` (`string`), default `null`
- `settings` (`EventQuerySettings`), default `null`

### Returns

`Node`

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