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Communicating with others on the User Forums can be a great way to ask questions and learn from the community. Please be aware that anything you post is visible by everyone accessing the Epic Developer Community, whether they're a member or not.

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Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/MaterialExpressionIO.h
Include	#include "MaterialExpressionIO.h"
Source	/Engine/Source/Runtime/Engine/Private/Materials/MaterialShared.cpp

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References