N/query Module
Column.type
Property Description: The return type of the formula used to create the query result column. This property is set during the execution of Query.createColumn(options) or Component.createColumn(options). If a formula is specified when these methods are called, this property contains the return type of the formula. If a formula is not specified, this property is null. For more information on formulas, see Formulas in Search and SQL Expressions.
Type: string (read-only)
Module: N/query Module
Parent Object: query.Column
Sibling Object Members: Column Object Members
Since: 2018.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=Column.type

// Code Example 1

// Add additional code

//...

var myTransactionQuery = query.create({

    type: query.Type.TRANSACTION

});



var myFormulaColumn = myTransactionQuery.createColumn({

    type: query.ReturnType.CURRENCY,

    formula: '{amount} * 125'

});



var theFormulaType = myFormulaColumn.type;

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_1510789090.html