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API > API/Plugins > API/Plugins/NiagaraEditor > API/Plugins/NiagaraEditor/TNiagaraParameterMapHistoryBuild-
References
| Module | NiagaraEditor |
| Header | /Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterMapHistory.h |
| Include | #include "NiagaraParameterMapHistory.h" |
| Source | /Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Private/NiagaraParameterMapHistory.cpp |
int32 HandleExternalVariableRead
&40;
int32 ParamMapIdx,
const FName & InVarName
&41;