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> Unreal Engine API Reference > Plugins > NiagaraEditor > FNiagaraEditorUtilities::AddParameter

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FNiagaraEditorUtilities::AddParameter

Adds a new Parameter to a target ParameterStore with an undo/redo transaction and name collision handling.

Windows

MacOS

Linux

References

Module	NiagaraEditor
Header	/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraEditorUtilities.h
Include	#include "NiagaraEditorUtilities.h"
Source	/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Private/NiagaraEditorUtilities.cpp

Syntax

namespace FNiagaraEditorUtilities
{
    bool FNiagaraEditorUtilities::AddParameter
    (
        FNiagaraVariable & NewParameterVariable,
        FNiagaraParameterStore & TargetParameterStore,
        UObject & ParameterStoreOwner,
        UNiagaraStackEditorData * StackEditorData
    )
}

Remarks

Adds a new Parameter to a target ParameterStore with an undo/redo transaction and name collision handling.

Returns

Bool for whether adding the parameter succeeded.

Parameters

Parameter	Description
NewParameterVariable	The FNiagaraVariable to be added to TargetParameterStore. MUST be a unique object, do not pass an existing reference.
TargetParameterStore	The ParameterStore to receive NewVariable.
ParameterStoreOwner	The UObject to call Modify() on for the undo/redo transaction of adding NewVariable.
StackEditorData	The editor data used to mark the newly added FNiagaraVariable in the Stack for renaming.

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