Use current spend as the basis for comparison against the threshold.
ForecastedSpend
Use forecasted spend for the period as the basis for comparison against
the threshold.
FORECASTED_SPEND 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].
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-04 UTC."],[[["This webpage details the `Basis` enum within the `Google.Cloud.Billing.Budgets.V1` namespace, used to define the type of spend basis for billing budget threshold rules."],["The `Basis` enum has three possible values: `CurrentSpend`, which compares against the current spend; `ForecastedSpend`, which compares against predicted spend and is only applicable for budgets with calendar period timeframes; and `Unspecified`, representing an undefined basis."],["The webpage provides links to documentation for various versions of the Google Cloud Billing Budgets library, ranging from version 1.1.0 to the latest 2.6.0."],["The documentation is part of the Google Cloud Billing Budgets V1 API, with the associated assembly being `Google.Cloud.Billing.Budgets.V1.dll`."]]],[]]
