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> Unreal Engine API Reference > Plugins > NiagaraEditor > FNiagaraParameterMapHistoryBuilder > HandleVariableWrite > FNiagaraParameterMapHistoryBuilder::HandleVariableWrite

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FNiagaraParameterMapHistoryBuilder::HandleVariableWrite

Record that a pin writes to the parameter map.

Windows

MacOS

Linux

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

Syntax

int32 HandleVariableWrite
(
int32 ParameterMapIndex,
const UEdGraphPin * InPin
)

Remarks

Record that a pin writes to the parameter map. The pin name is expected to be the namespaced parameter map version of the name. If any aliases are in place, they are removed.

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