/// @file FIREventNames.h
///
/// Predefined event names.
///
/// An Event is an important occurrence in your app that you want to measure. You can report up to
/// 500 different types of Events per app and you can associate up to 25 unique parameters with each
/// Event type. Some common events are suggested below, but you may also choose to specify custom
/// Event types that are associated with your specific app. Each event type is identified by a
/// unique name. Event names can be up to 40 characters long, may only contain alphanumeric
/// characters and underscores ("_"), and must start with an alphabetic character. The "firebase_",
/// "google_", and "ga_" prefixes are reserved and should not be used.

#import <Foundation/Foundation.h>

/// Ad Impression event. This event signifies when a user sees an ad impression. Note: If you supply
/// the @c AnalyticsParameterValue parameter, you must also supply the @c AnalyticsParameterCurrency
/// parameter so that revenue metrics can be computed accurately. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterAdPlatform (String) (optional)</li>
///     <li>@c AnalyticsParameterAdFormat (String) (optional)</li>
///     <li>@c AnalyticsParameterAdSource (String) (optional)</li>
///     <li>@c AnalyticsParameterAdUnitName (String) (optional)</li>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventAdImpression NS_SWIFT_NAME(AnalyticsEventAdImpression) =
    @"ad_impression";

/// Add Payment Info event. This event signifies that a user has submitted their payment
/// information. Note: If you supply the @c AnalyticsParameterValue parameter, you must also supply
/// the @c AnalyticsParameterCurrency parameter so that revenue metrics can be computed accurately.
/// Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCoupon (String) (optional)</li>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterPaymentType (String) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventAddPaymentInfo NS_SWIFT_NAME(AnalyticsEventAddPaymentInfo) =
    @"add_payment_info";

/// Add Shipping Info event. This event signifies that a user has submitted their shipping
/// information. Note: If you supply the @c AnalyticsParameterValue parameter, you must also supply
/// the @c AnalyticsParameterCurrency parameter so that revenue metrics can be computed accurately.
/// Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCoupon (String) (optional)</li>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterShippingTier (String) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventAddShippingInfo NS_SWIFT_NAME(AnalyticsEventAddShippingInfo) =
    @"add_shipping_info";

/// E-Commerce Add To Cart event. This event signifies that an item(s) was added to a cart for
/// purchase. Add this event to a funnel with @c AnalyticsEventPurchase to gauge the effectiveness
/// of your checkout process. Note: If you supply the @c AnalyticsParameterValue parameter, you must
/// also supply the @c AnalyticsParameterCurrency parameter so that revenue metrics can be computed
/// accurately. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventAddToCart NS_SWIFT_NAME(AnalyticsEventAddToCart) = @"add_to_cart";

/// E-Commerce Add To Wishlist event. This event signifies that an item was added to a wishlist. Use
/// this event to identify popular gift items. Note: If you supply the @c AnalyticsParameterValue
/// parameter, you must also supply the @c AnalyticsParameterCurrency parameter so that revenue
/// metrics can be computed accurately. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventAddToWishlist NS_SWIFT_NAME(AnalyticsEventAddToWishlist) =
    @"add_to_wishlist";

/// App Open event. By logging this event when an App becomes active, developers can understand how
/// often users leave and return during the course of a Session. Although Sessions are automatically
/// reported, this event can provide further clarification around the continuous engagement of
/// app-users.
static NSString *const kFIREventAppOpen NS_SWIFT_NAME(AnalyticsEventAppOpen) = @"app_open";

/// E-Commerce Begin Checkout event. This event signifies that a user has begun the process of
/// checking out. Add this event to a funnel with your @c AnalyticsEventPurchase event to gauge the
/// effectiveness of your checkout process. Note: If you supply the @c AnalyticsParameterValue
/// parameter, you must also supply the @c AnalyticsParameterCurrency parameter so that revenue
/// metrics can be computed accurately. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCoupon (String) (optional)</li>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventBeginCheckout NS_SWIFT_NAME(AnalyticsEventBeginCheckout) =
    @"begin_checkout";

/// Campaign Detail event. Log this event to supply the referral details of a re-engagement
/// campaign. Note: you must supply at least one of the required parameters
/// AnalyticsParameterSource, AnalyticsParameterMedium or AnalyticsParameterCampaign. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterSource (String)</li>
///     <li>@c AnalyticsParameterMedium (String)</li>
///     <li>@c AnalyticsParameterCampaign (String)</li>
///     <li>@c AnalyticsParameterTerm (String) (optional)</li>
///     <li>@c AnalyticsParameterContent (String) (optional)</li>
///     <li>@c AnalyticsParameterAdNetworkClickID (String) (optional)</li>
///     <li>@c AnalyticsParameterCP1 (String) (optional)</li>
///     <li>@c AnalyticsParameterCampaignID (String) (optional)</li>
///     <li>@c AnalyticsParameterCreativeFormat (String) (optional)</li>
///     <li>@c AnalyticsParameterMarketingTactic (String) (optional)</li>
///     <li>@c AnalyticsParameterSourcePlatform (String) (optional)</li>
/// </ul>
static NSString *const kFIREventCampaignDetails NS_SWIFT_NAME(AnalyticsEventCampaignDetails) =
    @"campaign_details";

/// Earn Virtual Currency event. This event tracks the awarding of virtual currency in your app. Log
/// this along with @c AnalyticsEventSpendVirtualCurrency to better understand your virtual economy.
/// Params:
///
/// <ul>
///     <li>@c AnalyticsParameterVirtualCurrencyName (String)</li>
///     <li>@c AnalyticsParameterValue (Int or Double)</li>
/// </ul>
static NSString *const kFIREventEarnVirtualCurrency
    NS_SWIFT_NAME(AnalyticsEventEarnVirtualCurrency) = @"earn_virtual_currency";

/// Generate Lead event. Log this event when a lead has been generated in the app to understand the
/// efficacy of your install and re-engagement campaigns. Note: If you supply the
/// @c AnalyticsParameterValue parameter, you must also supply the @c AnalyticsParameterCurrency
/// parameter so that revenue metrics can be computed accurately. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventGenerateLead NS_SWIFT_NAME(AnalyticsEventGenerateLead) =
    @"generate_lead";

/// In-App Purchase event. This event signifies that extra content or a subscription was purchased
/// by a user inside an app. Note: This is different from the ecommerce purchase event. Note: If you
/// supply the @c AnalyticsParameterValue parameter, you must also supply the
/// @c AnalyticsParameterCurrency parameter so that revenue metrics can be computed accurately.
/// Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCurrency (String)</li>
///     <li>@c AnalyticsParameterFreeTrial (Int) (optional)</li>
///     <li>@c AnalyticsParameterPrice (Double) (optional)</li>
///     <li>@c AnalyticsParameterPriceIsDiscounted (Int) (optional)</li>
///     <li>@c AnalyticsParameterProductID (String) (optional)</li>
///     <li>@c AnalyticsParameterProductName (String) (optional)</li>
///     <li>@c AnalyticsParameterQuantity (Int) (optional)</li>
///     <li>@c AnalyticsParameterSubscription (Int) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double)</li>
/// </ul>
static NSString *const kFIREventInAppPurchase NS_SWIFT_NAME(AnalyticsEventInAppPurchase) =
     @"in_app_purchase";

/// Join Group event. Log this event when a user joins a group such as a guild, team or family. Use
/// this event to analyze how popular certain groups or social features are in your app. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterGroupID (String)</li>
/// </ul>
static NSString *const kFIREventJoinGroup NS_SWIFT_NAME(AnalyticsEventJoinGroup) = @"join_group";

/// Level End event. Log this event when the user finishes a level. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterLevelName (String)</li>
///     <li>@c AnalyticsParameterSuccess (String)</li>
/// </ul>
static NSString *const kFIREventLevelEnd NS_SWIFT_NAME(AnalyticsEventLevelEnd) = @"level_end";

/// Level Start event. Log this event when the user starts a new level. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterLevelName (String)</li>
/// </ul>
static NSString *const kFIREventLevelStart NS_SWIFT_NAME(AnalyticsEventLevelStart) = @"level_start";

/// Level Up event. This event signifies that a player has leveled up in your gaming app. It can
/// help you gauge the level distribution of your userbase and help you identify certain levels that
/// are difficult to pass. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterLevel (Int)</li>
///     <li>@c AnalyticsParameterCharacter (String) (optional)</li>
/// </ul>
static NSString *const kFIREventLevelUp NS_SWIFT_NAME(AnalyticsEventLevelUp) = @"level_up";

/// Login event. Apps with a login feature can report this event to signify that a user has logged
/// in.
static NSString *const kFIREventLogin NS_SWIFT_NAME(AnalyticsEventLogin) = @"login";

/// Post Score event. Log this event when the user posts a score in your gaming app. This event can
/// help you understand how users are actually performing in your game and it can help you correlate
/// high scores with certain audiences or behaviors. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterScore (Int)</li>
///     <li>@c AnalyticsParameterLevel (Int) (optional)</li>
///     <li>@c AnalyticsParameterCharacter (String) (optional)</li>
/// </ul>
static NSString *const kFIREventPostScore NS_SWIFT_NAME(AnalyticsEventPostScore) = @"post_score";

/// E-Commerce Purchase event. This event signifies that an item(s) was purchased by a user. Note:
/// This is different from the in-app purchase event, which is reported automatically for App
/// Store-based apps. Note: If you supply the @c AnalyticsParameterValue parameter, you must also
/// supply the @c AnalyticsParameterCurrency parameter so that revenue metrics can be computed
/// accurately. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterAffiliation (String) (optional)</li>
///     <li>@c AnalyticsParameterCoupon (String) (optional)</li>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterEndDate (String) (optional)</li>
///     <li>@c AnalyticsParameterItemID (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterShipping (Double) (optional)</li>
///     <li>@c AnalyticsParameterStartDate (String) (optional)</li>
///     <li>@c AnalyticsParameterTax (Double) (optional)</li>
///     <li>@c AnalyticsParameterTransactionID (String) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventPurchase NS_SWIFT_NAME(AnalyticsEventPurchase) = @"purchase";

/// E-Commerce Refund event. This event signifies that a refund was issued. Note: If you supply the
/// @c AnalyticsParameterValue parameter, you must also supply the @c AnalyticsParameterCurrency
/// parameter so that revenue metrics can be computed accurately. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterAffiliation (String) (optional)</li>
///     <li>@c AnalyticsParameterCoupon (String) (optional)</li>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterShipping (Double) (optional)</li>
///     <li>@c AnalyticsParameterTax (Double) (optional)</li>
///     <li>@c AnalyticsParameterTransactionID (String) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventRefund NS_SWIFT_NAME(AnalyticsEventRefund) = @"refund";

/// E-Commerce Remove from Cart event. This event signifies that an item(s) was removed from a cart.
/// Note: If you supply the @c AnalyticsParameterValue parameter, you must also supply the @c
/// AnalyticsParameterCurrency parameter so that revenue metrics can be computed accurately. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventRemoveFromCart NS_SWIFT_NAME(AnalyticsEventRemoveFromCart) =
    @"remove_from_cart";

/// Screen View event. This event signifies a screen view. Use this when a screen transition occurs.
/// This event can be logged irrespective of whether automatic screen tracking is enabled. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterScreenClass (String) (optional)</li>
///     <li>@c AnalyticsParameterScreenName (String) (optional)</li>
/// </ul>
static NSString *const kFIREventScreenView NS_SWIFT_NAME(AnalyticsEventScreenView) = @"screen_view";

/// Search event. Apps that support search features can use this event to contextualize search
/// operations by supplying the appropriate, corresponding parameters. This event can help you
/// identify the most popular content in your app. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterSearchTerm (String)</li>
///     <li>@c AnalyticsParameterStartDate (String) (optional)</li>
///     <li>@c AnalyticsParameterEndDate (String) (optional)</li>
///     <li>@c AnalyticsParameterNumberOfNights (Int) (optional) for hotel bookings</li>
///     <li>@c AnalyticsParameterNumberOfRooms (Int) (optional) for hotel bookings</li>
///     <li>@c AnalyticsParameterNumberOfPassengers (Int) (optional) for travel bookings</li>
///     <li>@c AnalyticsParameterOrigin (String) (optional)</li>
///     <li>@c AnalyticsParameterDestination (String) (optional)</li>
///     <li>@c AnalyticsParameterTravelClass (String) (optional) for travel bookings</li>
/// </ul>
static NSString *const kFIREventSearch NS_SWIFT_NAME(AnalyticsEventSearch) = @"search";

/// Select Content event. This general purpose event signifies that a user has selected some content
/// of a certain type in an app. The content can be any object in your app. This event can help you
/// identify popular content and categories of content in your app. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterContentType (String)</li>
///     <li>@c AnalyticsParameterItemID (String)</li>
/// </ul>
static NSString *const kFIREventSelectContent NS_SWIFT_NAME(AnalyticsEventSelectContent) =
    @"select_content";

/// Select Item event. This event signifies that an item was selected by a user from a list. Use the
/// appropriate parameters to contextualize the event. Use this event to discover the most popular
/// items selected. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterItemListID (String) (optional)</li>
///     <li>@c AnalyticsParameterItemListName (String) (optional)</li>
/// </ul>
static NSString *const kFIREventSelectItem NS_SWIFT_NAME(AnalyticsEventSelectItem) = @"select_item";

/// Select promotion event. This event signifies that a user has selected a promotion offer. Use the
/// appropriate parameters to contextualize the event, such as the item(s) for which the promotion
/// applies. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCreativeName (String) (optional)</li>
///     <li>@c AnalyticsParameterCreativeSlot (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterLocationID (String) (optional)</li>
///     <li>@c AnalyticsParameterPromotionID (String) (optional)</li>
///     <li>@c AnalyticsParameterPromotionName (String) (optional)</li>
/// </ul>
static NSString *const kFIREventSelectPromotion NS_SWIFT_NAME(AnalyticsEventSelectPromotion) =
    @"select_promotion";

/// Share event. Apps with social features can log the Share event to identify the most viral
/// content. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterContentType (String)</li>
///     <li>@c AnalyticsParameterItemID (String)</li>
/// </ul>
static NSString *const kFIREventShare NS_SWIFT_NAME(AnalyticsEventShare) = @"share";

/// Sign Up event. This event indicates that a user has signed up for an account in your app. The
/// parameter signifies the method by which the user signed up. Use this event to understand the
/// different behaviors between logged in and logged out users. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterMethod (String)</li>
/// </ul>
static NSString *const kFIREventSignUp NS_SWIFT_NAME(AnalyticsEventSignUp) = @"sign_up";

/// Spend Virtual Currency event. This event tracks the sale of virtual goods in your app and can
/// help you identify which virtual goods are the most popular objects of purchase. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterItemName (String)</li>
///     <li>@c AnalyticsParameterVirtualCurrencyName (String)</li>
///     <li>@c AnalyticsParameterValue (Int or Double)</li>
/// </ul>
static NSString *const kFIREventSpendVirtualCurrency
    NS_SWIFT_NAME(AnalyticsEventSpendVirtualCurrency) = @"spend_virtual_currency";

/// Tutorial Begin event. This event signifies the start of the on-boarding process in your app. Use
/// this in a funnel with @c AnalyticsEventTutorialComplete to understand how many users complete
/// this process and move on to the full app experience.
static NSString *const kFIREventTutorialBegin NS_SWIFT_NAME(AnalyticsEventTutorialBegin) =
    @"tutorial_begin";

/// Tutorial End event. Use this event to signify the user's completion of your app's on-boarding
/// process. Add this to a funnel with @c AnalyticsEventTutorialBegin to gauge the completion rate
/// of your on-boarding process.
static NSString *const kFIREventTutorialComplete NS_SWIFT_NAME(AnalyticsEventTutorialComplete) =
    @"tutorial_complete";

/// Unlock Achievement event. Log this event when the user has unlocked an achievement in your
/// game. Since achievements generally represent the breadth of a gaming experience, this event can
/// help you understand how many users are experiencing all that your game has to offer. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterAchievementID (String)</li>
/// </ul>
static NSString *const kFIREventUnlockAchievement NS_SWIFT_NAME(AnalyticsEventUnlockAchievement) =
    @"unlock_achievement";

/// E-commerce View Cart event. This event signifies that a user has viewed their cart. Use this to
/// analyze your purchase funnel. Note: If you supply the @c AnalyticsParameterValue parameter, you
/// must also supply the @c AnalyticsParameterCurrency parameter so that revenue metrics can be
/// computed accurately. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventViewCart NS_SWIFT_NAME(AnalyticsEventViewCart) = @"view_cart";

/// View Item event. This event signifies that a user has viewed an item. Use the appropriate
/// parameters to contextualize the event. Use this event to discover the most popular items viewed
/// in your app. Note: If you supply the @c AnalyticsParameterValue parameter, you must also supply
/// the @c AnalyticsParameterCurrency parameter so that revenue metrics can be computed accurately.
/// Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCurrency (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterValue (Double) (optional)</li>
/// </ul>
static NSString *const kFIREventViewItem NS_SWIFT_NAME(AnalyticsEventViewItem) = @"view_item";

/// View Item List event. Log this event when a user sees a list of items or offerings. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterItemListID (String) (optional)</li>
///     <li>@c AnalyticsParameterItemListName (String) (optional)</li>
/// </ul>
static NSString *const kFIREventViewItemList NS_SWIFT_NAME(AnalyticsEventViewItemList) =
    @"view_item_list";

/// View Promotion event. This event signifies that a promotion was shown to a user. Add this event
/// to a funnel with the @c AnalyticsEventAddToCart and @c AnalyticsEventPurchase to gauge your
/// conversion process. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterCreativeName (String) (optional)</li>
///     <li>@c AnalyticsParameterCreativeSlot (String) (optional)</li>
///     <li>@c AnalyticsParameterItems ([[String: Any]]) (optional)</li>
///     <li>@c AnalyticsParameterLocationID (String) (optional)</li>
///     <li>@c AnalyticsParameterPromotionID (String) (optional)</li>
///     <li>@c AnalyticsParameterPromotionName (String) (optional)</li>
/// </ul>
static NSString *const kFIREventViewPromotion NS_SWIFT_NAME(AnalyticsEventViewPromotion) =
    @"view_promotion";

/// View Search Results event. Log this event when the user has been presented with the results of a
/// search. Params:
///
/// <ul>
///     <li>@c AnalyticsParameterSearchTerm (String)</li>
/// </ul>
static NSString *const kFIREventViewSearchResults NS_SWIFT_NAME(AnalyticsEventViewSearchResults) =
    @"view_search_results";
