# NFCTagReaderSessionConfiguration ``` @interface NFCTagReaderSessionConfiguration : NSObject ``` ## Topics ### Instance Properties [`@property (nonatomic, strong) NSArray * felicaSystemCodes;`](/documentation/CoreNFC/NFCTagReaderSessionConfiguration/felicaSystemCodes) System codes (subset of entries defined in “com.apple.developer.nfc.readersession.felica.systemcodes”) used during FeliCa tag discovery. [`@property (nonatomic, strong) NSArray * iso7816SelectIdentifiers;`](/documentation/CoreNFC/NFCTagReaderSessionConfiguration/iso7816SelectIdentifiers) Application identifiers (subset of entries defined in “com.apple.developer.nfc.readersession.iso7816.select-identifiers”) used during ISO7816 tag discovery. [`@property (nonatomic) NFCPollingOption polling;`](/documentation/CoreNFC/NFCTagReaderSessionConfiguration/polling) Configures the RF polling of the reader session; multiple options can be OR’ed together. This option affects the possible NFC tag type discover. ### Instance Methods [`- (instancetype) initWithPollingOption:(NFCPollingOption) option iso7816SelectIdentifiers:(NSArray *) iso7816SelectIdentifiers felicaSystemCodes:(NSArray *) felicaSystemCodes;`](/documentation/CoreNFC/NFCTagReaderSessionConfiguration/initWithPollingOption:iso7816SelectIdentifiers:felicaSystemCodes:) ## Relationships ### Inherits From [`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)