---
title: outputPort
framework: realitykit
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: realitykit/shadergraph/edge/outputport
---

# outputPort

The name of the output port on the source node.

## Declaration

```swift
var outputPort: String?
```

## Discussion

Discussion Output ports represent values produced by a node that can be connected to inputs of other nodes. When nil, refers to the first output of a node.