N/workbook Module
Expression.functionId
Property Description: The ID of the function used in the expression.
Type: workbook.ExpressionType
Module: N/workbook Module
Parent Object: workbook.Expression
Sibling Object Members: Expression Object Members
Since: 2020.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=Expression.functionId

// Code Example 1

// Add additional code

//...

// View Expression.functionId in a ChartDefinition and a PivotDefinition.

var myWorkbook = workbook.load({

    id: myWorkbookId

});



log.audit({

    title: 'ChartDefinition Expression.functionId = ',

    details: myWorkbook.chartDefinitions[0].filterExpressions[0].functionId

});



log.audit({

    title: 'PivotDefinition Expression.functionId = ',

    details: myWorkbook.pivotDefinitions[0].filterExpressions[0].functionId

});

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_159060345596.html