Percentage Sampling

<Biml xmlns="http://schemas.varigence.com/biml.xsd">        
    <Packages>          
        <Package Name="My Package" ConstraintMode="Linear" >               
            <Tasks>                         
                <Dataflow Name="My Dataflow Task">                     
                    <Transformations>                           
                        <OleDbSource Name="FedReserve" ConnectionName="FederalReserveInstruments">                              
                            <DirectInput>select * from DimInstrument</DirectInput>                         
                        </OleDbSource>                              
                        <!-- Outputs 20% of the rows, randomly, from the input -->                      
                        <PercentageSampling Name="Percentage Sampling Transformation" PercentageOfRows="20" />                                                  
                        <FlatFileDestination Name="OutputFile" ConnectionName="FlatFileConnection" >                        

                         </FlatFileDestination>                   
                    </Transformations>              
                </Dataflow>       
            </Tasks>          
        </Package>    
    </Packages> 
</Biml>