N/ui/serverWidget Module
List.addColumn()
Method Description: Adds a column to a list.
Returns: serverWidget.ListColumn object
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.addColumn(options)

// Code Example 1

//Add additional code

//...

var list = serverWidget.createList({

    title : 'Simple List'

});

list.addColumn({

    id : 'column1',

    type : serverWidget.FieldType.TEXT,

    label : 'Text',

    align : serverWidget.LayoutJustification.RIGHT

});

//...

//Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4344848479.html