<!--
{
  "availability" : [
    "Reality Composer Pro: -",
    "iOS: 27.0.0 -",
    "iPadOS: 27.0.0 -",
    "macCatalyst: 27.0.0 -",
    "macOS: 27.0.0 -",
    "tvOS: 27.0.0 -",
    "visionOS: 27.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "ComputeGraph",
  "identifier" : "/documentation/ComputeGraph/ComputeNodeGraph/updateNode(_:forKey:)",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "Compute Graph",
      "ComputeGraph"
    ],
    "preciseIdentifier" : "s:12ComputeGraph0a4NodeB0V06updateC0_6forKeyyAC0C0V_SitKF"
  },
  "title" : "updateNode(_:forKey:)"
}
-->

# updateNode(_:forKey:)

Updates an existing node in the graph.

```
mutating func updateNode(_ node: ComputeNodeGraph.Node, forKey nodeID: ComputeNodeGraph.NodeID) throws
```

## Parameters

`node`

The updated node data.

## Discussion> Throws: if the node cannot be updated.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)