/// @file FIRUserPropertyNames.h
///
/// Predefined user property names.
///
/// A UserProperty is an attribute that describes the app-user. By supplying UserProperties, you can
/// later analyze different behaviors of various segments of your userbase. You may supply up to 25
/// unique UserProperties per app, and you can use the name and value of your choosing for each one.
/// UserProperty names can be up to 24 characters long, may only contain alphanumeric characters and
/// underscores ("_"), and must start with an alphabetic character. UserProperty values can be up to
/// 36 characters long. The "firebase_", "google_", and "ga_" prefixes are reserved and should not
/// be used.

#import <Foundation/Foundation.h>

/// The method used to sign in. For example, "google", "facebook" or "twitter".
static NSString *const kFIRUserPropertySignUpMethod
    NS_SWIFT_NAME(AnalyticsUserPropertySignUpMethod) = @"sign_up_method";

/// Indicates whether events logged by Google Analytics can be used to personalize ads for the user.
/// Set to "YES" to enable, or "NO" to disable. Default is enabled. See the
/// <a href="https://firebase.google.com/support/guides/disable-analytics">documentation</a> for
/// more details and information about related settings.
///
/// <pre>
///     [FIRAnalytics setUserPropertyString:@"NO"
///                                 forName:kFIRUserPropertyAllowAdPersonalizationSignals];
/// </pre>
static NSString *const kFIRUserPropertyAllowAdPersonalizationSignals
    NS_SWIFT_NAME(AnalyticsUserPropertyAllowAdPersonalizationSignals) = @"allow_personalized_ads";