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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 page details the \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e class within the \u003ccode\u003eGoogle.Cloud.PubSub.V1\u003c/code\u003e namespace, specifically for version 2.8.0 and provides links to other versions.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e class is used to define the request for updating a topic using the \u003ccode\u003eUpdateTopic\u003c/code\u003e method, and it inherits from \u003ccode\u003eObject\u003c/code\u003e and implements multiple interfaces like \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, and \u003ccode\u003eIDeepCloneable\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe class has two constructors: a default constructor \u003ccode\u003eUpdateTopicRequest()\u003c/code\u003e and an overload \u003ccode\u003eUpdateTopicRequest(UpdateTopicRequest other)\u003c/code\u003e that takes an \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e object as a parameter.\u003c/p\u003e\n"],["\u003cp\u003eIt includes properties such as \u003ccode\u003eTopic\u003c/code\u003e, representing the updated topic object, and \u003ccode\u003eUpdateMask\u003c/code\u003e, specifying which fields to update in the topic.\u003c/p\u003e\n"],["\u003cp\u003eThe page lists all past versions of the reference, ranging from the latest 3.23.0 to an older 2.3.0, all relating to \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]