---
title: callables
framework: metalperformanceshadersgraph
role: symbol
role_heading: Instance Property
path: metalperformanceshadersgraph/mpsgraphcompilationdescriptor/callables
---

# callables

The dictionary used during runtime to lookup the MPSGraphExecutable which correspond to the symbolName.

## Declaration

```swift
var callables: [String : MPSGraphExecutable]? { get set }
```