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API > API/Plugins > API/Plugins/Niagara > API/Plugins/Niagara/FNiagaraID

Syntax

UPROPERTY (BlueprintReadWrite, Category=ID)  
int32 Index  
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Remarks

Index in the indirection table for this particle. Allows fast access to this particles data. Is always unique among currently living particles but will be reused after the particle dies.