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API > API/Plugins > API/Plugins/Niagara > API/Plugins/Niagara/FNiagaraParameterStore
Description
Returns the associated FNiagaraVariable for the passed data interface index if it exists in the store. Null if not.
| Name | FindVariableFromDataInterfaceIndex |
| Type | function |
| Header File | /Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraParameterStore.h |
| Include Path | #include "NiagaraParameterStore.h" |
| Source | /Engine/Plugins/FX/Niagara/Source/Niagara/Private/NiagaraParameterStore.cpp |
const FNiagaraVariableBase * FindVariableFromDataInterfaceIndex
(
int32 DataInterfaceIndex
) const