Create an instance of this class to set additional parameters for each custom event object. The
additional parameters for a custom event are keyed by the custom event label. These extras are
passed to your implementation of GADCustomEventBanner or GADCustomEventInterstitial.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-20 UTC."],[[["\u003cp\u003e\u003ccode\u003eGADCustomEventExtras\u003c/code\u003e allows setting additional parameters for custom event objects, keyed by the custom event label.\u003c/p\u003e\n"],["\u003cp\u003eThese extras are passed to your custom event implementations (like \u003ccode\u003eGADCustomEventBanner\u003c/code\u003e or \u003ccode\u003eGADCustomEventInterstitial\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eYou can set, retrieve, and remove extras for specific labels or all extras at once using the provided methods.\u003c/p\u003e\n"],["\u003cp\u003eThis class helps pass custom data to your ad network adapters for tailored ad requests.\u003c/p\u003e\n"]]],["`GADCustomEventExtras` manages additional parameters for custom event objects, keyed by a label. You can set parameters using `setExtras:forLabel:`, providing a dictionary for a specific label. Retrieve parameters for a label with `extrasForLabel:`. `removeAllExtras` clears all set parameters. `allExtras` returns a dictionary of all currently set extras. These extras are utilized in the implementations of `GADCustomEventBanner` or `GADCustomEventInterstitial`.\n"],null,["# GoogleMobileAds Framework Reference\n\nGADCustomEventExtras\n====================\n\n\n @interface GADCustomEventExtras : NSObject \u003c../Protocols.html#/c:objc(pl)GADAdNetworkExtras\u003e\n\nCreate an instance of this class to set additional parameters for each custom event object. The\nadditional parameters for a custom event are keyed by the custom event label. These extras are\npassed to your implementation of GADCustomEventBanner or GADCustomEventInterstitial.\n- `\n ``\n ``\n `\n\n ### [-setExtras:forLabel:](#/c:objc(cs)GADCustomEventExtras(im)setExtras:forLabel:)\n\n `\n ` \n Set additional parameters for the custom event with label \\|label\\|. To remove additional\n parameters associated with \\|label\\|, pass in nil for \\|extras\\|. \n\n #### Declaration\n\n Swift \n\n func setExtras(_ extras: [AnyHashable : Any]?, forLabel label: String)\n\n Objective-C \n\n - (void)setExtras:(nullable NSDictionary *)extras\n forLabel:(nonnull NSString *)label;\n\n- `\n ``\n ``\n `\n\n ### [-extrasForLabel:](#/c:objc(cs)GADCustomEventExtras(im)extrasForLabel:)\n\n `\n ` \n Retrieve the extras for \\|label\\|. \n\n #### Declaration\n\n Swift \n\n func extras(forLabel label: String) -\u003e [AnyHashable : Any]?\n\n Objective-C \n\n - (nullable NSDictionary *)extrasForLabel:(nonnull NSString *)label;\n\n- `\n ``\n ``\n `\n\n ### [-removeAllExtras](#/c:objc(cs)GADCustomEventExtras(im)removeAllExtras)\n\n `\n ` \n Removes all the extras set on this instance. \n\n #### Declaration\n\n Swift \n\n func removeAllExtras()\n\n Objective-C \n\n - (void)removeAllExtras;\n\n- `\n ``\n ``\n `\n\n ### [-allExtras](#/c:objc(cs)GADCustomEventExtras(im)allExtras)\n\n `\n ` \n Returns all the extras set on this instance. \n\n #### Declaration\n\n Swift \n\n func allExtras() -\u003e [AnyHashable : Any]\n\n Objective-C \n\n - (nonnull NSDictionary *)allExtras;"]]
