# initWithPollingOption:iso7816SelectIdentifiers:felicaSystemCodes: ``` - (instancetype) initWithPollingOption:(NFCPollingOption) option iso7816SelectIdentifiers:(NSArray *) iso7816SelectIdentifiers felicaSystemCodes:(NSArray *) felicaSystemCodes; ``` ## Parameters `option` RF polling types to perform tag discovery. `iso7816SelectIdentifiers` List of ISO7816 Application Identifiers to be used in tag detection when NFCTagReaderSession is configured with NFCPollingISO14443 and/or NFCPollingPACE option. Entries must be specified in “com.apple.developer.nfc.readersession.iso7816.select-identifiers” in Info.plist; all unknown / not matched entries will be dropped. An empty NSArray indicates all applications specified in Info.plist will be used. Repeated entries will get filter out via NSOrderedSet conversion. `felicaSystemCodes` List of FeliCa System Codes to be used in tag detection when NFCTagReaderSession is configured with NFCPollingISO18092 option. Entries must be specified in “com.apple.developer.nfc.readersession.felica.systemcodes” in Info.plist; all unknown / not matched entries will be dropped. An empty NSArray indicates all applications specified in Info.plist will be used. --- 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)