# AUGraphNewNodeSubGraph(_:_:) Creates a node object to represent a subgraph. ``` func AUGraphNewNodeSubGraph(_ inGraph: AUGraph, _ outNode: UnsafeMutablePointer) -> OSStatus ``` ## Parameters `inGraph` The AUGraph object that you want to add a subgraph to. `outNode` The node that represents the subgraph. ## Return Value A result code. ## Discussion This function creates a node that represents a subgraph. The subgraph can be retrieved with the [`AUGraphGetNodeInfoSubGraph(_:_:_:)`](/documentation/AudioToolbox/AUGraphGetNodeInfoSubGraph(_:_:_:)) function. The subgraph is owned by the parent graph and will be disposed when the parent graph is disposed or when the node is removed from the parent graph. --- Copyright © 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)