# Smart Card Shell

- - Home
- - GPError
  - GPSystem
  - ByteString
  - ByteBuffer
  - TLV
  - TLVList
  - Card
  - Atr
  - Key
  - Crypto
  - Application
  - GPApplication
  - GPSecDomain
- - ASN1
  - CardFile
  - IsoSecureChannel
  - ApplFactory
  - GPXML
  - JsScript
  - CardSim
- - X509
  - CRL
  - KeyStore
  - Signed CMS
  - Enveloped CMS
  - CMS Generator
  - XMLSignature
  - SSS
  - OCSPQuery
  - LDAP
  - SOAP
  - URLConnection
- - PKCS11Provider
  - PKCS11Session
  - PKCS11Object
- - OutlineNode
  - Dialog
  - Task
- - Tools
  - Modules
- - OpenSCDP

## Persistent Configuration Settings

Persistent configuration informations are available to scripts as properties of the _scsh3 object. This object is instantiated in the default CONFIG.JS file and filled with values from the SETTINGS.JS file.

Persistent settings can be set and saved to disk using the _scsh3.putProperty() method. This method accepts a key and a value and saves the updated configuration into a new SETTINGS.JS file. The SETTINGS.JS file is placed in the workspace directory by default.

Example: To use a specific card terminal in a new card object, you could use

        var card = new Card(_scsh3.reader);

### Pre-defined configuration fields

The following configuration elements are available

Key | Value
reader | Name of the card reader selected in Options/Reader Configuration

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