[UNiagaraParameterCollection](API\Plugins\Niagara\UNiagaraParameterCollection) * VariableIsFromParameterCollection ( const [FString](API\Runtime\Core\Containers\FString) & VarName, bool bAllowPartialMatch, [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) & OutVar ) const