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Unreal Engine C++ API Reference > Runtime > Engine > FExpressionInput
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Public/MaterialExpressionIO.h |
| Include | #include "MaterialExpressionIO.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Materials/MaterialShared.cpp |
FExpressionInput GetTracedInput&40;&41; const
Remarks
If this input goes through reroute nodes or other paths that should not affect code, trace back on the input chain.