Generate a Reach Curve

Once you have gathered the targeting settings and a product mix for your media plan, you can generate a curve of budgets versus potential reach using the GenerateReachForecast method in ReachPlanService. See the glossary and media plan guide for details on the request fields.

The curve includes impression and user reach in absolute numbers, as well as universe sizes corresponding to the census population and YouTube audience size for the requested demographic and country.

C#

public void GetReachCurve(ReachPlanServiceClient reachPlanService,
    GenerateReachForecastRequest request)
{
    GenerateReachForecastResponse response = reachPlanService.GenerateReachForecast(
        request);
    Console.WriteLine("Reach curve output:");
    Console.WriteLine(
        "Currency, Cost Micros, On-Target Reach, On-Target Impressions, Total Reach," +
        " Total Impressions, Products");
    foreach (ReachForecast point in response.ReachCurve.ReachForecasts)
    {
        Console.Write($"{request.CurrencyCode}, ");
        Console.Write($"{point.CostMicros}, ");
        Console.Write($"{point.Forecast.OnTargetReach}, ");
        Console.Write($"{point.Forecast.OnTargetImpressions}, ");
        Console.Write($"{point.Forecast.TotalReach}, ");
        Console.Write($"{point.Forecast.TotalImpressions}, ");
        Console.Write("\"[");
        foreach (PlannedProductReachForecast productReachForecast in
            point.PlannedProductReachForecasts)
        {
            Console.Write($"(Product: {productReachForecast.PlannableProductCode}, ");
            Console.Write($"Budget Micros: {productReachForecast.CostMicros}), ");
        }

        Console.WriteLine("]\"");
    }
}

PHP

private static function getReachCurve(
    GoogleAdsClient $googleAdsClient,
    int $customerId,
    array $productMix,
    string $locationId,
    string $currencyCode
) {
    // Valid durations are between 1 and 90 days.
    $duration = new CampaignDuration(['duration_in_days' => 28]);
    $targeting = new Targeting([
        'plannable_location_id' => $locationId,
        'age_range' => ReachPlanAgeRange::AGE_RANGE_18_65_UP,
        'genders' => [
            new GenderInfo(['type' => GenderType::FEMALE]),
            new GenderInfo(['type' => GenderType::MALE])
        ],
        'devices' => [
            new DeviceInfo(['type' => Device::DESKTOP]),
            new DeviceInfo(['type' => Device::MOBILE]),
            new DeviceInfo(['type' => Device::TABLET])
        ]
    ]);

    // See the docs for defaults and valid ranges:
    // https://developers.google.com/google-ads/api/reference/rpc/latest/GenerateReachForecastRequest
    $response = $googleAdsClient->getReachPlanServiceClient()->generateReachForecast(
        $customerId,
        $duration,
        $productMix,
        ['currencyCode' => $currencyCode, 'targeting' => $targeting]
    );

    printf(
        "Reach curve output:%sCurrency, Cost Micros, On-Target Reach, On-Target Imprs," .
            " Total Reach, Total Imprs, Products%s",
        PHP_EOL,
        PHP_EOL
    );
    foreach ($response->getReachCurve()->getReachForecasts() as $point) {
        $products = '';
        /** @var ReachForecast $point */
        foreach ($point->getPlannedProductReachForecasts() as $plannedProductReachForecast) {
            /** @var PlannedProductReachForecast $plannedProductReachForecast */
            $products .= sprintf(
                '(Product: %s, Budget Micros: %s)',
                $plannedProductReachForecast->getPlannableProductCode(),
                $plannedProductReachForecast->getCostMicros()
            );
        }
        printf(
            "%s, %d, %d, %d, %d, %d, %s%s",
            $currencyCode,
            $point->getCostMicros(),
            $point->getForecast()->getOnTargetReach(),
            $point->getForecast()->getOnTargetImpressions(),
            $point->getForecast()->getTotalReach(),
            $point->getForecast()->getTotalImpressions(),
            $products,
            PHP_EOL
        );
    }
}

Python

def _request_reach_curve(
    client, customer_id, product_mix, location_id, currency_code

Perl

sub pull_reach_curve {
  my ($reach_plan_service, $reach_request) = @_;

  my $response = $reach_plan_service->generate_reach_forecast($reach_request);
  print "Reach curve output:\n";
  print "Currency,\tCost Micros,\tOn-Target Reach,\tOn-Target Imprs,\t" .
    "Total Reach,\tTotal Imprs,\tProducts\n";
  foreach my $point (@{$response->{reachCurve}{reachForecasts}}) {
    printf "%s,\t%d,\t%d,\t%d,\t%d,\t%d,\t'[", $reach_request->{currencyCode},
      $point->{costMicros}, $point->{forecast}{onTargetReach},
      $point->{forecast}{onTargetImpressions}, $point->{forecast}{totalReach},
      $point->{forecast}{totalImpressions};
    foreach my $productReachForecast (@{$point->{plannedProductReachForecasts}})
    {
      printf "(Product: %s, Budget Micros: %d), ",
        $productReachForecast->{plannableProductCode},
        $productReachForecast->{costMicros};
    }
    print "]'\n";
  }
}