N/task Module
QueryTask.fileId
Property Description: Internal ID of the CSV file to export query results to. The CSV file must be located in the File Cabinet. You can provide a value for this property or the QueryTask.filePath property. Only one of these properties can be set at the same time. If both are set, an error occurs.
Type: number
Supported Script Types: Server scripts For more information, see SuiteScript 2.0 Script Types.
Module: N/task Module
Parent Object: task.QueryTask
Sibling Object Members: QueryTask Object Members
Since: 2020.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=QueryTask.fileId

// Code Example 1

// Add additional code

//...

var myQueryTask = task.create({

    taskType: task.TaskType.QUERY

});



myQueryTask.fileId = 18;

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_159223756577.html