N/ui/serverWidget Module
List.addRows()
Method Description: Adds multiple rows to a list.
Returns: serverWidget.List
Supported Script Types: SuiteScript 2.0 Suitelet Script Type and SuiteScript 2.0 User Event Script Type (beforeLoad(scriptContext))
Governance: None
Module: N/ui/serverWidget Module
Since: 2015.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=List.addRows(options)

// Code Example 1

//Add additional code

//...

list.addRows({

    rows : [{columnid1 : 'value1', columnid2 : 'value2'},

        {columnid1 : 'value2', columnid2 : 'value3'}]

});

//...

//Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4346482649.html