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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Materials > API/Runtime/Engine/Materials/FExpressionInput
Syntax
UPROPERTY ()
int32 OutputIndex
Remarks
Index into Expression's outputs array that this input is connected to.
Index into Expression's outputs array that this input is connected to. If you want to be safe when checking against dangling Reroute nodes, please use GetTracedInput before accessing this property.