N/ui/serverWidget Module
ListColumn.addParamToURL()
Method Description: Adds a URL parameter (optionally defined per row) to the list column's URL.
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: 2016.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=ListColumn.addParamToURL(options)

// Code Example 1

//Add additional code

//...

var list = serverWidget.createList({

    title : 'Simple List'

});

var listcolumn = list.addColumn({

    id : 'column1',

    type : serverWidget.FieldType.URL,

    label : 'URL',

});

listcolumn.addParamToURL({

    param : 'index',

    value : '3'

})

//...

//Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4539150168.html