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API > API/Plugins > API/Plugins/NiagaraEditor > API/Plugins/NiagaraEditor/UNiagaraGraph
Description
Returns the index of this variable in the output node of the graph. INDEX_NONE if this is not a valid attribute.
| Name | GetOutputNodeVariableIndex |
| Type | function |
| Header File | /Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraGraph.h |
| Include Path | #include "NiagaraGraph.h" |
| Source | /Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Private/NiagaraGraph.cpp |
int32 GetOutputNodeVariableIndex
(
const FNiagaraVariable & Attr
) const