Reference (Old Docs)
FBSDKGameRequestDialog
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A dialog for sending game requests.

Superclass:NSObject
Declared in:FBSDKGameRequestDialog.h
Properties
content

The content for game request.

@property (nonatomic, copy) FBSDKGameRequestContent *content;
Declared In: FBSDKGameRequestDialog.h
delegate

The receiver's delegate or nil if it doesn't have a delegate.

@property (nonatomic, weak) id<FBSDKGameRequestDialogDelegate> delegate;
Declared In: FBSDKGameRequestDialog.h
frictionlessRequestsEnabled

Specifies whether frictionless requests are enabled.

@property (nonatomic, assign) BOOL frictionlessRequestsEnabled;
Declared In: FBSDKGameRequestDialog.h
Class Methods
showWithContent:delegate:

Convenience method to build up a game request with content and a delegate.

ParameterDescription
content

The content for the game request.

delegate

The receiver's delegate.

+ (instancetype)
showWithContent: (FBSDKGameRequestContent *)content
delegate: (id<FBSDKGameRequestDialogDelegate>)delegate;
Declared In: FBSDKGameRequestDialog.h
Instance Methods
canShow

A Boolean value that indicates whether the receiver can initiate a game request.

- (BOOL) canShow;
Discussion:

May return NO if the appropriate Facebook app is not installed and is required or an access token is required but not available. This method does not validate the content on the receiver, so this can be checked before building up the content.

Declared In: FBSDKGameRequestDialog.h
show

Begins the game request from the receiver.

- (BOOL) show;
Declared In: FBSDKGameRequestDialog.h
validateWithError:

Validates the content on the receiver.

ParameterDescription
errorRef

If an error occurs, upon return contains an NSError object that describes the problem.

- (BOOL) validateWithError:(NSError *__autoreleasing *)errorRef;
Declared In: FBSDKGameRequestDialog.h