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"]],[["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."],[[["The latest version of the `ExistenceFilter` class within the Firestore v1 API is 3.10.0, with multiple prior versions available for use."],["`ExistenceFilter` is a class in the `Google.Cloud.Firestore.V1` namespace, providing a digest of documents matching a specific target and it inherits from the base object class."],["This class is part of the `Google.Cloud.Firestore.V1.dll` assembly and implements interfaces like `IMessage`, `IEquatable`, and `IDeepCloneable`, among others, adding more functionality."],["`ExistenceFilter` objects can be created using a default constructor or a copy constructor, and it has the `Count` and `TargetId` properties, both of which are integer types, to manage the documents that match a target."],["The class is used to track the number of documents that match a specific target, with any discrepancies requiring manual reconciliation by the client."]]],[]]