/// <summary>
/// Creates the shopping campaign.
/// </summary>
/// <param name="user">The AdWords user.</param>
/// <param name="budgetId">The budget id.</param>
/// <param name="merchantId">The Merchant Center id.</param>
/// <returns>The Shopping campaign.</returns>
private static Campaign CreateCampaign(AdWordsUser user, long budgetId, long merchantId)
{
CampaignService campaignService = (CampaignService)user.GetService(
AdWordsService.v201710.CampaignService);
// Create campaign.
Campaign campaign = new Campaign();
campaign.name = "Shopping campaign #" + ExampleUtilities.GetRandomString();
// The advertisingChannelType is what makes this a Shopping campaign.
campaign.advertisingChannelType = AdvertisingChannelType.SHOPPING;
// Recommendation: Set the campaign to PAUSED when creating it to prevent
// the ads from immediately serving. Set to ENABLED once you've added
// targeting and the ads are ready to serve.
campaign.status = CampaignStatus.PAUSED;
// Set shared budget (required).
campaign.budget = new Budget();
campaign.budget.budgetId = budgetId;
// Set bidding strategy (required).
BiddingStrategyConfiguration biddingStrategyConfiguration =
new BiddingStrategyConfiguration();
biddingStrategyConfiguration.biddingStrategyType = BiddingStrategyType.MANUAL_CPC;
campaign.biddingStrategyConfiguration = biddingStrategyConfiguration;
// All Shopping campaigns need a ShoppingSetting.
ShoppingSetting shoppingSetting = new ShoppingSetting();
shoppingSetting.salesCountry = "US";
shoppingSetting.campaignPriority = 0;
shoppingSetting.merchantId = merchantId;
// Set to "true" to enable Local Inventory Ads in your campaign.
shoppingSetting.enableLocal = true;
campaign.settings = new Setting[] { shoppingSetting };
// Create operation.
CampaignOperation campaignOperation = new CampaignOperation();
campaignOperation.operand = campaign;
campaignOperation.@operator = Operator.ADD;
// Make the mutate request.
CampaignReturnValue retval = campaignService.mutate(
new CampaignOperation[] { campaignOperation });
campaignService.Close();
return(retval.value[0]);
}