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 in the Firestore v1 API is 3.10.0, with multiple prior versions available for review."],["The `ExistenceFilter` class serves as a digest of all documents matching a specific target within the Firestore v1 API."],["This class implements interfaces like `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`, providing various functionalities for object manipulation."],["`ExistenceFilter` objects can be constructed with a default constructor or by providing another `ExistenceFilter` instance."],["The class includes properties `Count` to show the document count and `TargetId` to identify the target this filter refers to, both being of type `int`."]]],[]]