N/record Module
Column.isMandatory
Property Description: Indicates whether the column is mandatory.
Type: boolean
Supported Script Types: Client and server-side scripts For more information, see SuiteScript 2.0 Script Types.
Module: N/record Module
Sibling Object Members: Column Object Members
Since: 2020.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=Column.isMandatory

// Code Example 1

// Add additional code.

//...

var sublistObj = recordObj.getSublist({

      sublistId: 'sublistId'

});

var columnObj = sublistObj.getColumn({

      fieldId: 'columnId'

});

//set

columnObj.isMandatory = true;

//get

var isMandatory = columnObj.isMandatory;

})...

// Add additional code.



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_158593030499.html