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API > API/Runtime > API/Runtime/SignalProcessing > API/Runtime/SignalProcessing/FPatchMixer
Description
This returns the number of inputs currently connected to this patch mixer. Thread safe, but blocks for PopAudio.
| Name | Num |
| Type | function |
| Header File | /Engine/Source/Runtime/SignalProcessing/Public/DSP/MultithreadedPatching.h |
| Include Path | #include "DSP/MultithreadedPatching.h" |
| Source | /Engine/Source/Runtime/SignalProcessing/Private/MultithreadedPatching.cpp |
int32 Num()