N/crypto/certificate Module
Signer.sign()
Method Description: Signs the string and returns the signature.
Returns: string
Supported Script Types: Server scripts For additional information, see SuiteScript 2.0 Script Types.
Governance: None
Module: N/crypto/certificate Module
Parent Object: certificate.Signer
Sibling Object Members: Signer Object Members
Since: 2019.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=Signer.sign(options)

// Code Example 1

//Add additional code

//...

var signer = certificate.createSigner({

    certId: 'custcertificate1',

    algorithm: 'SHA1'

    });

signer.update("test");

var result = signer.sign();

//...

//Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_1547244059.html