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

# scheduledHandler

A notification that appears when graph-executable execution is scheduled.

## Declaration

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

## Discussion

Discussion Default value is nil.