---
title: linkedFunctions
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtltilerenderpipelinedescriptor/linkedfunctions
---

# linkedFunctions

Functions that you can specify as function arguments for the tile shader when encoding commands that use the pipeline.

## Declaration

```swift
@NSCopying var linkedFunctions: MTLLinkedFunctions! { get set }
```