N/search Module
PagedData.pageSize
Property Description: Maximum number of entries per page Possible values are 5 - 1000 entries per page.
Type: number This property is read-only.
Supported Script Types: All script types For more information, see SuiteScript 2.0 Script Types.
Module: N/search Module
Since: 2016.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=PagedData.pageSize

// Code Example 1

// Add additional code

//...

var mySearch = search.create({

    type: search.Type.CUSTOMER,

    columns: [

        'entityid',

        'email'

    ]

});



var myPagedResults = mySearch.runPaged({

    pageSize: 10

});



// In this example, the value of myPagedResults.pageSize is 10

var thePageSize = myPagedResults.pageSize;



// Use PagedData.fetch(options) to retrieve a page of results (as a

// search.Page object) by index

var theData = myPagedResults.fetch({

    index: 5

});

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4486608636.html