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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 version 2.9.0, which is used for updating topic information.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e class implements several interfaces including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, indicating its role in data management and communication.\u003c/p\u003e\n"],["\u003cp\u003eThe class offers two constructors: a default one and another that takes an \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e object for cloning.\u003c/p\u003e\n"],["\u003cp\u003eKey properties of \u003ccode\u003eUpdateTopicRequest\u003c/code\u003e include \u003ccode\u003eTopic\u003c/code\u003e, which represents the updated topic object, and \u003ccode\u003eUpdateMask\u003c/code\u003e, which specifies which fields within the topic should be updated.\u003c/p\u003e\n"],["\u003cp\u003eThere are multiple versions of the API available, ranging from 3.23.0 to 2.3.0.\u003c/p\u003e\n"]]],[],null,[]]
