N/task Module
SuiteQLTaskStatus.taskId
Property Description: ID of the submitted SuiteQL task. This property references the same task ID that is returned by SuiteQLTask.submit() when you submit the task for asynchronous processing.
Type: string (read-only)
Supported Script Types: Server scripts For more information, see SuiteScript 2.0 Script Types.
Module: N/task Module
Parent Object: task.SuiteQLTaskStatus
Sibling Object Members: SuiteQLTaskStatus Object Members
Since: 2020.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=SuiteQLTaskStatus.taskId

// Code Example 1

// Add additional code

//...

// mySuiteQLTask is an existing task.SuiteQLTask object

var myTaskId = mySuiteQLTask.submit();



var myTaskStatus = task.checkStatus({

    taskId: myTaskId

});



var theTaskId = myTaskStatus.taskId;

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_159223898107.html