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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/FEmitter
Description
Retrieves the value flowing into given input. If the value is missing, it reports an error and returns poison.
| Name | Input |
| Type | function |
| Header File | /Engine/Source/Runtime/Engine/Public/Materials/MaterialIREmitter.h |
| Include Path | #include "Materials/MaterialIREmitter.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Materials/MaterialIREmitter.cpp |
FValueRef Input
(
const FExpressionInput * Input
)