public sealed class ExistenceFilter : IMessage<ExistenceFilter>, IEquatable<ExistenceFilter>, IDeepCloneable<ExistenceFilter>, IBufferMessage, IMessage
Reference documentation and code samples for the Firestore v1 API class ExistenceFilter.
A digest of all the documents that match a given target.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 latest version of the \u003ccode\u003eExistenceFilter\u003c/code\u003e class in the Firestore v1 API is 3.10.0, with multiple prior versions available for review.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eExistenceFilter\u003c/code\u003e class serves as a digest of all documents matching a specific target within the Firestore v1 API.\u003c/p\u003e\n"],["\u003cp\u003eThis class implements interfaces like \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, providing various functionalities for object manipulation.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eExistenceFilter\u003c/code\u003e objects can be constructed with a default constructor or by providing another \u003ccode\u003eExistenceFilter\u003c/code\u003e instance.\u003c/p\u003e\n"],["\u003cp\u003eThe class includes properties \u003ccode\u003eCount\u003c/code\u003e to show the document count and \u003ccode\u003eTargetId\u003c/code\u003e to identify the target this filter refers to, both being of type \u003ccode\u003eint\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
