Budget type. Possible values: Unlimited, One-time, Recurring.
Budget limit, in units of 1/10000 USD (e.g., 10000 = $1.00).
Amount used, in units of 1/10000 USD (e.g., 10000 = $1.00).
Remaining budget amount, in units of 1/10000 USD (e.g., 10000 = $1.00). May be negative when usage exceeds the limit.
Billing cycle (e.g., Monthly). Only present when budget_type=Recurring.
Current billing period start time, formatted as an ISO 8601 string. Only present when budget_type=Recurring.
Current billing period end time, formatted as an ISO 8601 string. Only present when budget_type=Recurring.