---
title: "AUGraphGetNodeCount(_:_:)"
framework: audiotoolbox
role: symbol
role_heading: Function
path: "audiotoolbox/augraphgetnodecount(_:_:)"
---

# AUGraphGetNodeCount(_:_:)

The number of nodes in an audio processing graph.

## Declaration

```swift
func AUGraphGetNodeCount(_ inGraph: AUGraph, _ outNumberOfNodes: UnsafeMutablePointer<UInt32>) -> OSStatus
```

## Parameters

- `inGraph`: The AUGraph object
- `outNumberOfNodes`: The number of nodes

## Return Value

Return Value A result code.

## See Also

### Audio Unit Processing Graph Services Functions

- [AUGraphAddNode(_:_:_:)](audiotoolbox/augraphaddnode(_:_:_:).md)
- [AUGraphAddRenderNotify(_:_:_:)](audiotoolbox/augraphaddrendernotify(_:_:_:).md)
- [AUGraphClearConnections(_:)](audiotoolbox/augraphclearconnections(_:).md)
- [AUGraphClose(_:)](audiotoolbox/augraphclose(_:).md)
- [AUGraphConnectNodeInput(_:_:_:_:_:)](audiotoolbox/augraphconnectnodeinput(_:_:_:_:_:).md)
- [AUGraphCountNodeInteractions(_:_:_:)](audiotoolbox/augraphcountnodeinteractions(_:_:_:).md)
- [AUGraphDisconnectNodeInput(_:_:_:)](audiotoolbox/augraphdisconnectnodeinput(_:_:_:).md)
- [AUGraphGetCPULoad(_:_:)](audiotoolbox/augraphgetcpuload(_:_:).md)
- [AUGraphGetIndNode(_:_:_:)](audiotoolbox/augraphgetindnode(_:_:_:).md)
- [AUGraphGetInteractionInfo(_:_:_:)](audiotoolbox/augraphgetinteractioninfo(_:_:_:).md)
- [AUGraphGetMaxCPULoad(_:_:)](audiotoolbox/augraphgetmaxcpuload(_:_:).md)
- [AUGraphGetNodeInfoSubGraph(_:_:_:)](audiotoolbox/augraphgetnodeinfosubgraph(_:_:_:).md)
- [AUGraphGetNodeInteractions(_:_:_:_:)](audiotoolbox/augraphgetnodeinteractions(_:_:_:_:).md)
- [AUGraphGetNumberOfInteractions(_:_:)](audiotoolbox/augraphgetnumberofinteractions(_:_:).md)
- [AUGraphInitialize(_:)](audiotoolbox/augraphinitialize(_:).md)