Code-based Experiences & Content Cards - API reference

This document lists the public APIs available in the Messaging extension for implementing code-based experiences and content cards.

getPropositionsForSurfaces

The getPropositionsForSurfaces API retrieves the previously fetched propositions from the SDK's in-memory propositions cache for the provided surfaces. The completion handler is invoked with the decision propositions corresponding to the given surfaces or AEPError, if it occurs.

If a requested surface was not previously cached prior to calling getPropositionsForSurfaces (using the updatePropositionsForSurfaces API), no propositions will be returned for that surface.

Android Java

surfaces is a list of surfaces for which propositions are requested.
callback call method is invoked with propositions map of type Map<Surface, List<Proposition>>. If the callback is an instance of AdobeCallbackWithError, and if the operation times out or an error occurs in retrieving propositions, the fail method is invoked with the appropriate AdobeError.

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              Syntax
            
              public static void getPropositionsForSurfaces(@NonNull final List<Surface> surfaces, @NonNull final AdobeCallback<Map<Surface, List<Proposition>>> callback)

Android Kotlin

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              Example
            

              val surface1 = Surface("myActivity#button")
val surface2 = Surface("myActivityAttributes")
val surfaces = listOf(surface1, surface2)

Messaging.getPropositionsForSurfaces(surfaces) {
  it?.let { propositionsMap ->
    if (propositionsMap.isNotEmpty()) {
      // get the propositions for the given surfaces
      propositionsMap[surface1]?.let {
        // read surface1 propositions
      }
      propositionsMap[surface2]?.let {
        // read surface2 propositions
      }
    }
  }
}

            

Android Java

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              Example
            

              final Surface surface1 = new Surface("myActivity#button");
final Surface surface2 = new Surface("myActivityAttributes");

final List<Surface> surfaces = new ArrayList<>();
surfaces.add(surface1);
surfaces.add(surface2);

Messaging.getPropositionsForSurfaces(surfaces, new AdobeCallbackWithError<Map<Surface, List<Proposition>>>() {
    @Override
    public void fail(final AdobeError adobeError) {
        // handle error
    }

    @Override
    public void call(Map<Surface, List<Proposition>> propositionsMap) {
        if (propositionsMap != null && !propositionsMap.isEmpty()) {
            // get the propositions for the given surfaces
            if (propositionsMap.contains(surface1)) {
                final List<Proposition> propositions1 = propositionsMap.get(surface1)
                // read surface1 propositions
            }
            if (propositionsMap.contains(surface2)) {
                final List<Proposition> proposition2 = propositionsMap.get(surface2)
                // read surface2 propositions
            }
        }
    }
});

            

iOS Swift

surfaces is an array of surfaces for which propositions are requested.
completion is invoked with propositions dictionary of type [Surface: [Proposition]]. An Error is returned if SDK fails to retrieve the propositions.

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              Syntax
            
              static func getPropositionsForSurfaces(_ surfacePaths: [Surface], _ completion: @escaping ([Surface: [Proposition]]?, Error?) -> Void)

              Example
            
              let surface1 = Surface(path: "myView#button")
let surface2 = Surface(path: "myViewAttributes")

Messaging.getPropositionsForSurfaces([surface1, surface2]) { propositionsDict, error in
    guard error == nil else {
        // handle error
        return
    }

    guard let propositionsDict = propositionsDict else {
        // bail early if no propositions
        return
    }

    // get the propositions for the given surfaces
    if let propositions1 = propositionsDict[surface1] {
        // read surface1 propositions
    }

    if let propositions2 = propositionsDict[surface2] {
        // read surface2 propositions
    }
}

iOS Objective-C

surfaces is an array of surfaces for which propositions are requested.
completion is invoked with propositions dictionary of type NSDictionary<AEPSurface*, NSArray<AEPProposition*>*>. An NSError is returned if SDK fails to retrieve the propositions.

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              Syntax
            
              + (void) getPropositionsForSurfaces: (NSArray<AEPSurface*>* _Nonnull) surfaces
              completion: (void (^ _Nonnull)(NSDictionary<AEPSurface*, NSArray<AEPProposition*>*>* _Nullable propositionsDict, NSError* _Nullable error)) completion;

              Example
            
              AEPSurface* surface1 = [[AEPSurface alloc] initWithPath: @"myView#button"];
AEPSurface* surface2 = [[AEPSurface alloc] initWithPath: @"myView#button"];

[AEPMobileMessaging getPropositionsForSurfaces: @[surface1, surface2]
                        completion: ^(NSDictionary<AEPDecisionScope*, NSArray<AEPProposition*>*>* propositionsDict, NSError* error) {
  if (error != nil) {
    // handle error
    return;
  }

  NSArray<AEPProposition*>* proposition1 = propositionsDict[surface1];
  // read surface1 propositions

  NSArray<AEPProposition*>* proposition2 = propositionsDict[surface2];
  // read surface2 propositions
}];

updatePropositionsForSurfaces

The updatePropositionsForSurfaces API dispatches an event for the Edge network extension to fetch personalization decisions from the AJO campaigns for the provided surfaces array. The returned decision propositions are cached in-memory by the Messaging extension.

To retrieve previously cached decision propositions, use getPropositionsForSurfaces API.

Android Java

surfaces is a list of surfaces for which propositions need updating.

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              Syntax
            
              public static void updatePropositionsForSurfaces(@NonNull final List<Surface> surfaces)

Android Kotlin

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              Example
            
              val surface1 = Surface("myActivity#button")
val surface2 = Surface("myActivityAttributes")
val surfaces = listOf(surface1, surface2)

Messaging.updatePropositionsForSurfaces(surfaces)

Android Java

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              Example
            
              final Surface surface1 = new Surface("myActivity#button");
final Surface surface2 = new Surface("myActivityAttributes");

final List<Surface> surfaces = new ArrayList<>();
surfaces.add(surface1);
surfaces.add(surface2);

Messaging.updatePropositionsForSurfaces(surfaces)

iOS Swift

surfaces is an array of surfaces for which propositions need updating.

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              Syntax
            
              static func updatePropositionsForSurfaces(_ surfaces: [Surface])

              Example
            
              let surface1 = Surface(path: "myView#button")
let surface2 = Surface(path: "myViewAttributes")

Messaging.updatePropositionsForSurfaces([surface1, surface2])

iOS Objective-C

surfaces is an array of surfaces for which propositions need updating.

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              Syntax
            
              + (void) updatePropositionsForSurfaces: (NSArray<AEPSurface*>* _Nonnull) surfaces;

              Example
            
              AEPSurface* surface1 = [[AEPSurface alloc] initWithPath: @"myView#button"];
AEPSurface* surface2 = [[AEPSurface alloc] initWithPath: @"myView#button"];

[AEPMobileMessaging updatePropositionsForSurfaces: @[surface1, surface2]];

updatePropositionsForSurfacesWithCompletionHandler

If provided, completion will be called on the Messaging extension's background thread once the response has been fully processed. true will be passed to the completion method if a network response was returned and successfully processed.

To retrieve previously cached decision propositions, use getPropositionsForSurfaces API.

Android Java

surfaces is a list of surfaces for which propositions need updating.
callback call method is invoked with true if a network response was returned and successfully processed, false otherwise

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              Syntax
            
              public static void updatePropositionsForSurfaces(@NonNull final List<Surface> surfaces, @Nullable final AdobeCallback<Boolean> callback)

Android Kotlin

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              Example
            
              val surface1 = Surface("myActivity#button")
val surface2 = Surface("myActivityAttributes")
val surfaces = listOf(surface1, surface2)

Messaging.updatePropositionsForSurfaces(surfaces) { success ->
    if (success) {
        // handle success scenario
    } else {
        // handle error scenario
    }
}

Android Java

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              Example
            
              final Surface surface1 = new Surface("myActivity#button");
final Surface surface2 = new Surface("myActivityAttributes");

final List<Surface> surfaces = new ArrayList<>();
surfaces.add(surface1);
surfaces.add(surface2);

Messaging.updatePropositionsForSurfaces(surfaces, success -> {
    if (success) {
        // handle success scenario
    } else {
        // handle error scenario
    }
});

iOS Swift

surfaces is an array of surfaces for which propositions need updating.
completion is invoked with true if a network response was returned and successfully processed, false otherwise

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              Syntax
            
              static func updatePropositionsForSurfaces(_ surfaces: [Surface], _ completion: ((Bool) -> Void)? = nil)

              Example
            
              let surface1 = Surface(path: "myView#button")
let surface2 = Surface(path: "myViewAttributes")

Messaging.updatePropositionsForSurfaces([surface1, surface2]) { success in
    if success {
        // handle success scenario
    } else {
        // handle error scenario
    }
}

iOS Objective-C

surfaces is an array of surfaces for which propositions need updating.
completion is invoked with true if a network response was returned and successfully processed, false otherwise

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              Syntax
            
              + (void) updatePropositionsForSurfaces: (NSArray<AEPSurface*>* _Nonnull) surfaces
                            completion: (void (^)(BOOL)) completion;

              Example
            
              AEPSurface* surface1 = [[AEPSurface alloc] initWithPath: @"myView#button"];
AEPSurface* surface2 = [[AEPSurface alloc] initWithPath: @"myViewAttributes"];

[AEPMobileMessaging updatePropositionsForSurfaces:@[surface1, surface2] completion:^(BOOL success) {
    if (success) {
        // handle success scenario
    } else {
        // handle error scenario
    }
}];