public sealed class PricingExpression.Types.TierRate : IMessage<PricingExpression.Types.TierRate>, IEquatable<PricingExpression.Types.TierRate>, IDeepCloneable<PricingExpression.Types.TierRate>, IBufferMessage, IMessage
Reference documentation and code samples for the Google Cloud Billing v1 API class PricingExpression.Types.TierRate.
The price rate indicating starting usage and its corresponding price.
Usage is priced at this rate only after this amount.
Example: start_usage_amount of 10 indicates that the usage will be priced
at the unit_price after the first 10 usage_units.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 document provides reference documentation for the \u003ccode\u003ePricingExpression.Types.TierRate\u003c/code\u003e class within the Google Cloud Billing v1 API.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePricingExpression.Types.TierRate\u003c/code\u003e class represents a price tier that indicates the starting usage and its corresponding price.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the \u003ccode\u003ePricingExpression.Types.TierRate\u003c/code\u003e documentation is for version 3.9.0, with historical versions available from 3.8.0 down to 2.2.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eTierRate\u003c/code\u003e class has two main properties, \u003ccode\u003eStartUsageAmount\u003c/code\u003e which defines the amount of usage before a price applies, and \u003ccode\u003eUnitPrice\u003c/code\u003e which details the cost per unit.\u003c/p\u003e\n"]]],[],null,["# Google Cloud Billing v1 API - Class PricingExpression.Types.TierRate (3.9.0)\n\nVersion latestkeyboard_arrow_down\n\n- [3.9.0 (latest)](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [3.8.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/3.8.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [3.7.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/3.7.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [3.6.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/3.6.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [3.5.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/3.5.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [3.4.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/3.4.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [3.3.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/3.3.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [3.2.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/3.2.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [3.1.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/3.1.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [3.0.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/3.0.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [2.3.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/2.3.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate)\n- [2.2.0](/dotnet/docs/reference/Google.Cloud.Billing.V1/2.2.0/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate) \n\n public sealed class PricingExpression.Types.TierRate : IMessage\u003cPricingExpression.Types.TierRate\u003e, IEquatable\u003cPricingExpression.Types.TierRate\u003e, IDeepCloneable\u003cPricingExpression.Types.TierRate\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Google Cloud Billing v1 API class PricingExpression.Types.TierRate.\n\nThe price rate indicating starting usage and its corresponding price. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e PricingExpression.Types.TierRate \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[PricingExpression](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression)[Types](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression.Types)[TierRate](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[PricingExpression](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression)[Types](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression.Types)[TierRate](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[PricingExpression](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression)[Types](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression.Types)[TierRate](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1.PricingExpression.Types.TierRate), [IBufferMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage.html), [IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage.html) \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.Billing.V1](/dotnet/docs/reference/Google.Cloud.Billing.V1/latest/Google.Cloud.Billing.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.Billing.V1.dll\n\nConstructors\n------------\n\n### TierRate()\n\n public TierRate()\n\n### TierRate(TierRate)\n\n public TierRate(PricingExpression.Types.TierRate other)\n\nProperties\n----------\n\n### StartUsageAmount\n\n public double StartUsageAmount { get; set; }\n\nUsage is priced at this rate only after this amount.\nExample: start_usage_amount of 10 indicates that the usage will be priced\nat the unit_price after the first 10 usage_units.\n\n### UnitPrice\n\n public Money UnitPrice { get; set; }\n\nThe price per unit of usage.\nExample: unit_price of amount $10 indicates that each unit will cost $10."]]
