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API > API/Plugins > API/Plugins/Niagara > API/Plugins/Niagara/UNiagaraSimCache
Description
Reads Niagara Vec4 attributes by name from the cache frame and appends them into the OutValues array. EmitterName - If left blank will return the system simulation attributes.
| Name | ReadVector4Attribute |
| Type | function |
| Header File | /Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraSimCache.h |
| Include Path | #include "NiagaraSimCache.h" |
| Source | /Engine/Plugins/FX/Niagara/Source/Niagara/Private/NiagaraSimCache.cpp |
UFUNCTION (BlueprintCallable, Category=NiagaraSimCache)
void ReadVector4Attribute
(
TArray < FVector4 > & OutValues,
FName AttributeName,
FName EmitterName,
int FrameIndex
) const