public sealed class UpdateTopicRequest : IMessage<UpdateTopicRequest>, IEquatable<UpdateTopicRequest>, IDeepCloneable<UpdateTopicRequest>, IBufferMessage, IMessage
Required. Indicates which fields in the provided topic to update. Must be
specified and non-empty. Note that if update_mask contains
"message_storage_policy" but the message_storage_policy is not set in
the topic provided above, then the updated value is determined by the
policy configured at the project or organization level.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 webpage provides documentation for the \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e class within the \u003ccode\u003eGoogle.Cloud.PubSub.V1\u003c/code\u003e namespace, detailing its use in the Google Cloud Pub/Sub .NET library.\u003c/p\u003e\n"],["\u003cp\u003eThe content lists various versions of the \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e class, ranging from version 2.3.0 up to the latest, 3.23.0, allowing developers to find documentation specific to their project's dependency version.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eUpdateTopicRequest\u003c/code\u003e is used to update an existing topic, requiring both a \u003ccode\u003eTopic\u003c/code\u003e object and an \u003ccode\u003eUpdateMask\u003c/code\u003e to specify which fields should be modified, and it implements several interfaces such as \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, and \u003ccode\u003eIDeepCloneable\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e Class has 2 constructors: \u003ccode\u003eUpdateTopicRequest()\u003c/code\u003e and \u003ccode\u003eUpdateTopicRequest(UpdateTopicRequest other)\u003c/code\u003e where the other parameter has the description \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e as well.\u003c/p\u003e\n"],["\u003cp\u003eThe class has two properties \u003ccode\u003eTopic\u003c/code\u003e and \u003ccode\u003eUpdateMask\u003c/code\u003e, where \u003ccode\u003eTopic\u003c/code\u003e is a required updated topic object, and \u003ccode\u003eUpdateMask\u003c/code\u003e is a required field to denote what fields to update.\u003c/p\u003e\n"]]],[],null,[]]