public sealed class UpdateDocumentRequest : IMessage<UpdateDocumentRequest>, IEquatable<UpdateDocumentRequest>, IDeepCloneable<UpdateDocumentRequest>, IBufferMessage, IMessage
Reference documentation and code samples for the Firestore v1 API class UpdateDocumentRequest.
The request for
[Firestore.UpdateDocument][google.firestore.v1.Firestore.UpdateDocument].
The fields to update.
None of the field paths in the mask may contain a reserved name.
If the document exists on the server and has fields not referenced in the
mask, they are left unchanged.
Fields referenced in the mask, but not present in the input document, are
deleted from the document on the server.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eThe \u003ccode\u003eUpdateDocumentRequest\u003c/code\u003e class is used to update documents in Firestore, and this page provides documentation for version 3.8.0 of the .NET library.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available is 3.10.0, and the page also offers access to documentation for various older versions, ranging from 2.3.0 to 3.9.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eUpdateDocumentRequest\u003c/code\u003e class inherits from \u003ccode\u003eobject\u003c/code\u003e and implements multiple interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eKey properties of the \u003ccode\u003eUpdateDocumentRequest\u003c/code\u003e class include \u003ccode\u003eCurrentDocument\u003c/code\u003e (precondition), \u003ccode\u003eDocument\u003c/code\u003e (the document to update), \u003ccode\u003eMask\u003c/code\u003e (fields to return), and \u003ccode\u003eUpdateMask\u003c/code\u003e (fields to update).\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eUpdateDocumentRequest\u003c/code\u003e class has two constructors: a default constructor and a copy constructor, taking another \u003ccode\u003eUpdateDocumentRequest\u003c/code\u003e object as a parameter.\u003c/p\u003e\n"]]],[],null,[]]
