[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-11 UTC."],[],[],null,["# FirebaseInstallations Framework Reference\n\nType Definitions\n================\n\nThe following type definitions are available globally.\n- `\n ``\n ``\n `\n\n ### [FIRInstallationsIDHandler](#/c:FIRInstallations.h@T@FIRInstallationsIDHandler)\n\n `\n ` \n An installation ID handler block. \n\n #### Declaration\n\n Objective-C \n\n typedef void (^FIRInstallationsIDHandler)(NSString *_Nullable,\n NSError *_Nullable)\n\n #### Parameters\n\n |--------------------|----------------------------------------------------------|\n | ` `*identifier*` ` | The installation ID string if exists or `nil` otherwise. |\n | ` `*error*` ` | The error when `identifier == nil` or `nil` otherwise. |\n\n- `\n ``\n ``\n `\n\n ### [FIRInstallationsTokenHandler](#/c:FIRInstallations.h@T@FIRInstallationsTokenHandler)\n\n `\n ` \n An authorization token handler block. \n\n #### Declaration\n\n Objective-C \n\n typedef void (^FIRInstallationsTokenHandler)(\n /docs/reference/ios/firebaseinstallations/api/reference/Classes/FIRInstallationsAuthTokenResult *_Nullable, NSError *_Nullable)\n\n #### Parameters\n\n |---------------------|--------------------------------------------------------------------------------------|\n | ` `*tokenResult*` ` | An instance of `InstallationsAuthTokenResult` in case of success or `nil` otherwise. |\n | ` `*error*` ` | The error when `tokenResult == nil` or `nil` otherwise. |"]]
