N/crypto/certificate Module
certificate.SignedXml
Object Description: A signed XML string. This object is returned by the certificate.signXml(options) method.
Supported Script Types: Server scripts For additional information, see SuiteScript 2.0 Script Types.
Module: N/crypto/certificate Module
Methods and Properties: SignedXml Object Members
Since: 2019.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=certificate.SignedXml

// Code Example 1

//Add additional code

//...

var signedXml = cert.signXML({

            algorithm: 'SHA1',

            certId: 'custcertificate1',

            rootTag: 'infNFe',

            xmlString: infNFe.getContents()

        });

        certificate.verifyXMLSignature({

            signedXml:signedXml,

            rootTag: 'infNFe'

        });



//...

//Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_1547156078.html