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> Unreal Engine API Reference > Plugins > NiagaraEditor > UNiagaraParameterDefinitions

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UNiagaraParameterDefinitions

Collection of UNiagaraScriptVariables to synchronize between UNiagaraScripts.

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UNiagaraParameterDefinitionsBase

UNiagaraParameterDefinitions

References

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

Syntax

[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(MinimalAPI)
class UNiagaraParameterDefinitions : public UNiagaraParameterDefinitionsBase

Remarks

Collection of UNiagaraScriptVariables to synchronize between UNiagaraScripts.

Constructors

	Name	Description
	UNiagaraParameterDefinitions ( const FObjectInitializer& ObjectIn... )

Destructors

	Name	Description
	~UNiagaraParameterDefinitions()

Functions

	Name	Description
void	AddParameter ( const FNiagaraVariable& NewVariabl... )
TArray< UNia...	GetAvailableParameterDefinitions ( bool bSkipSubscribedParameterDefini... )	Get all parameter libraries under the editor and niagara packages, along with those that are in the same package as the UObject this viewmodel is editing.
bool	GetIsPromotedToTopInAddMenus()
const TArray...	GetParametersConst()
UNiagaraScri...	GetScriptVariable ( const FNiagaraVariable& Var )	Getters for script variables.
UNiagaraScri...	GetScriptVariable ( const FGuid& ScriptVarId )	Getters for script variables.
void	NotifyParameterDefinitionsChanged()
void	RemoveParameter ( const FNiagaraVariable& VariableTo... )
void	RenameParameter ( const FNiagaraVariable& VariableTo..., const FName NewName )
void	SubscribeBindingNameToExternalParameterDefinitions ( UNiagaraParameterDefinitions* ..., const FGuid& ExternalScriptVarId, const FGuid& InternalScriptVarId )
void	SynchronizeWithSubscribedParameterDefinitions()	Synchronize all parameter names in subscribed external parameter libraries to local parameters.
void	UnsubscribeBindingNameFromExternalParameterDefinitions ( const FGuid& InternalScriptVarToUn... )

Overridden from UNiagaraParameterDefinitionsBase

		Name	Description
	int32	GetChangeIdHash()
	TArray< FGui...	GetParameterIds()

Overridden from UObject

		Name	Description
	void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyCha... )	Called when a property on this object has been modified externally
	void	PostLoad()	Do any object-specific cleanup required immediately after loading an object.

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