---
title: scheduledHandler
framework: metalperformanceshadersgraph
role: symbol
role_heading: Instance Property
path: metalperformanceshadersgraph/mpsgraphexecutiondescriptor/scheduledhandler
---

# scheduledHandler

The handler that graph calls when it schedules the execution.

## Declaration

```swift
var scheduledHandler: MPSGraphScheduledHandler { get set }
```

## Discussion

Discussion Default value is nil.