public sealed class DocumentChange : IEquatable<DocumentChange>
A DocumentChange represents a change to the documents matching a query. It contains the document
affected and a the type of change that occurred (added, modifed, or removed).
The index of the changed document in the result set immediately after this DocumentChange
(i.e. supposing that all prior DocumentChange objects and this one have been applied),
null if the change type is Removed. The index will never be negative.
The index of the changed document in the result set immediately prior to this DocumentChange
(i.e. supposing that all prior DocumentChange objects have been applied), or null
if the change type is Added. The index will never be negative.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eDocumentChange\u003c/code\u003e class in the Google.Cloud.Firestore namespace, which represents a change to documents matching a query.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version documented is 3.10.0, with versions ranging down to 2.3.1 also available for reference in the provided list.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDocumentChange\u003c/code\u003e class provides information about the type of change (added, modified, or removed), the affected document, and the document's index before and after the change.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eChangeType\u003c/code\u003e, \u003ccode\u003eDocument\u003c/code\u003e, \u003ccode\u003eNewIndex\u003c/code\u003e, and \u003ccode\u003eOldIndex\u003c/code\u003e properties are available to provide details on the document modification.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eGetHashCode()\u003c/code\u003e method is available, inherited and overridden from \u003ccode\u003eObject\u003c/code\u003e, to provide a hash code for the \u003ccode\u003eDocumentChange\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
