[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-20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\u003eGADSignal\u003c/code\u003e is used as input for server-to-server ad requests.\u003c/p\u003e\n"],["\u003cp\u003eIt provides a signal string (\u003ccode\u003esignalString\u003c/code\u003e) accessible in both Swift and Objective-C.\u003c/p\u003e\n"],["\u003cp\u003eAlthough there's an \u003ccode\u003einit\u003c/code\u003e method, it's unavailable and instances are returned when generating a signal.\u003c/p\u003e\n"]]],[],null,["# GoogleMobileAds Framework Reference\n\nGADSignal\n=========\n\n\n @interface GADSignal : NSObject\n\nA signal that can be used as input in a server-to-server ad request.\n- `\n ``\n ``\n `\n\n ### [signalString](#/c:objc(cs)GADSignal(py)signalString)\n\n `\n ` \n Signal string used in a server-to-server ad request. \n\n #### Declaration\n\n Swift \n\n var signal: String { get }\n\n Objective-C \n\n @property (nonatomic, readonly, nonnull) NSString *signalString;\n\n[Initialization\n--------------](#/Initialization)\n\n- `\n ``\n ``\n `\n\n ### [-init](#/c:objc(cs)GADSignal(im)init)\n\n `\n ` \n Unavailable \n Unavailable. An instance of this class will be returned when generating a signal. \n\n #### Declaration\n\n Objective-C \n\n - (nonnull instancetype)init;"]]