This example creates a hotel campaign, a hotel ad group and hotel ad group ad.
Prerequisite: You need to have access to the Hotel Ads Center, which can be granted during integration with Google Hotels. The integration instructions can be found at: https://support.google.com/hotelprices/answer/6101897
-help Show the help message. -customer_id The Google Ads customer ID. -hotel_center_account_id The Hotel Ads Center account ID. -cpc_bid_ceiling_micro_amount [optional] The CPC bid ceiling micro amount.