function generateBid(ad, auction_signals, per_buyer_signals, 
                  trusted_bidding_signals, contextual_signals, custom_audience_bidding_signals) { 
                  if (custom_audience_bidding_signals.name === 'audience_group_1') {  
                  return {'status': 0, 'ad': ad, 'bid': 10 };   
                  }   
                  else {   
                  return {'status': 0, 'ad': ad, 'bid': 5 }; 
                  }   
                } 
                 
                function reportWin(ad_selection_signals, per_buyer_signals, signals_for_buyer, 
                 contextual_signals, custom_audience_reporting_signals) { 
                  let reporting_address = 'https://reporting.example.com'; 
                  let clickUri = reporting_address + '/buyerInteraction?click'; 
                  let viewUri = reporting_address + '/buyerInteraction?view'; 
                  const beacons = {'click': clickUri, 'view': viewUri}; 
                  registerAdBeacon(beacons); 
                  return {'status': 0, 'results': {'reporting_uri': 'https://reporting.example.com'} }; 
                }