[UNiagaraScriptVariable](API\Plugins\NiagaraEditor\UNiagaraScriptVariable) * CreateScriptVariableInternal ( const [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) & Parameter, const [FNiagaraVariableMetaData](API\Plugins\Niagara\FNiagaraVariableMetaData) & ParameterMetaData, bool bIsStaticSwitch )