Firebase API Reference

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Overview Fundamentals

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API Reference
CLI reference
- Overview
- auth:import and auth:export
- Firebase Realtime Database Operation Types
- Deploy Targets
- Cloud Firestore Index Definition Format
- Emulator Suite UI Log Query Syntax
- Emulator Suite Security Rules Unit Testing Library
iOS — Swift
iOS — Objective-C
- Module Index
- FirebaseCore
- Classes
- Enumerations
  - Overview
  - FIRLoggerLevel
- Type Definitions
  - Overview
  - FIRAppVoidBoolCallback
- Functions
  - Overview
  - FIRFirebaseVersion
- FirebaseABTesting
- Classes
- Constants
- Enumerations
  - Overview
  - ABTExperimentPayloadExperimentOverflowPolicy
- FirebaseAnalytics
- Classes
  - Overview
  - FIRAnalytics
- Constants
- Type Definitions
- FirebaseAppCheck
- Classes
- Constants
- Enumerations
  - Overview
  - FIRAppCheckErrorCode
- Protocols
- FirebaseAppDistribution
- Classes
- Constants
- Enumerations
  - Overview
  - FIRAppDistributionError
- FirebaseAuth
- Classes
- Constants
- Enumerations
- Protocols
- Type Definitions
- FirebaseCrashlytics
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- FirebaseDatabase
- Classes
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  - Overview
  - FIRDataEventType
- Type Definitions
  - Overview
  - FIRDatabaseHandle
- FirebaseDynamicLinks
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- Type Definitions
- FirebaseFirestore
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- FirebaseFunctions
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  - Overview
  - FIRFunctionsErrorCode
- FirebaseInAppMessaging
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- Protocols
- FirebaseInAppMessagingDisplay
- Classes
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- Protocols
- FirebaseInstallations
- Classes
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  - Overview
  - FIRInstallationsErrorCode
- Type Definitions
- FirebaseInstanceID
- Classes
- Constants
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  - Overview
  - FIRInstanceIDError
- Type Definitions
- FirebaseMessaging
- Classes
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- Protocols
  - Overview
  - FIRMessagingDelegate
- Type Definitions
- FirebaseMLCommon
- Classes
- Constants
- Type Definitions
  - Overview
  - FIRModelDownloadUserInfoKey
- FirebaseMLModelInterpreter
- Classes
- Enumerations
  - Overview
  - FIRModelElementType
- Type Definitions
  - Overview
  - <a href="/docs/reference/ios/firebasemlmodelinterpreter/api/reference/Type-Definitions#/c:FIRModelInterpreter.h@T@FIRModelInterpreterInputOutputOpIndexCallback" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/ios/firebasemlmodelinterpreter/api/reference/Type