googleAds.createCampaignBudget to create a shared Google Ads campaign budget.
Example
Inputs
SetcustomerId, name, and either amountMicros for a daily budget or totalAmountMicros with period: "CUSTOM_PERIOD" and explicitlyShared: false. Micros are strings; one million equals one account currency unit. deliveryMethod defaults to STANDARD. All customer-scoped actions accept optional loginCustomerId for manager-account access and a named Google account binding.