public sealed class ExistenceFilter : IMessage<ExistenceFilter>, IEquatable<ExistenceFilter>, IDeepCloneable<ExistenceFilter>, IBufferMessage, IMessage
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"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-12 UTC."],[[["This webpage details the `ExistenceFilter` class within the `Google.Cloud.Firestore.V1` namespace, which is used to provide a digest of documents matching a target."],["The latest version of `ExistenceFilter` is 3.10.0, with the current page specifically documenting version 2.4.0, and several other versions are also accessible on this page, ranging from 2.3.0 to 3.9.0."],["`ExistenceFilter` implements multiple interfaces, including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`."],["The `ExistenceFilter` class has two constructors, a default one and another one that takes another `ExistenceFilter` as a parameter, both serving the purpose of creating an `ExistenceFilter` object."],["The `ExistenceFilter` class includes properties for `Count`, which indicates the number of documents matching the target, and `TargetId`, which identifies the relevant target."]]],[]]