public LastPeriodAmount LastPeriodAmount { get; set; }
Use the last period's actual spend as the budget for the present period.
LastPeriodAmount can only be set when the budget's time period is a
[Filter.calendar_period][google.cloud.billing.budgets.v1.Filter.calendar_period].
It cannot be set in combination with
[Filter.custom_period][google.cloud.billing.budgets.v1.Filter.custom_period].
A specified amount to use as the budget.
currency_code is optional. If specified when creating a budget, it must
match the currency of the billing account. If specified when updating a
budget, it must match the currency_code of the existing budget.
The currency_code is provided on output.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis page provides documentation for the \u003ccode\u003eBudgetAmount\u003c/code\u003e class within the Google Cloud Billing Budget v1 API, detailing its usage for defining budgeted amounts for each usage period.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eBudgetAmount\u003c/code\u003e class can utilize \u003ccode\u003eLastPeriodAmount\u003c/code\u003e to base the current budget on the previous period's spending, restricted to calendar period filters.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eSpecifiedAmount\u003c/code\u003e allows users to define a fixed budget amount, with currency code handling for both creation and updates.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eBudgetAmount\u003c/code\u003e class implements multiple interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, and is part of the \u003ccode\u003eGoogle.Cloud.Billing.Budgets.V1\u003c/code\u003e namespace.\u003c/p\u003e\n"],["\u003cp\u003eVersion history and the latest version information is provided, displaying the current latest as 2.6.0, and the current version of this particular page being 2.2.0.\u003c/p\u003e\n"]]],[],null,[]]
