N/query Module
PagedData.pageSize
Property Description: The number of query result rows per page. For paged queries, the maximum number of result rows per page is 1000. The minimum number of result rows per page is 5, except for the last page in the result set (because the last page may include fewer than 5 results).
Type: number (read-only)
Module: N/query Module
Parent Object: query.PagedData
Sibling Object Members: PagedData Object Members
Since: 2018.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=PagedData.pageSize

// Code Example 1

// Add additional code



var myCustomerQuery = query.create({

    type: query.Type.CUSTOMER

});



myCustomerQuery.columns = [

    myCustomerQuery.createColumn({

        fieldId: 'entityid'

    })

];



var myPagedResults = myCustomerQuery.runPaged({

    pageSize: 10

});



var iterator = myPagedResults.iterator();

iterator.each(function(resultPage) {

    var currentPage = resultPage.value;

    var currentPagedData = currentPage.pagedData;

    var thePageSize = currentPagedData.pageSize;

    return true;

});



// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_1510861410.html