N/search Module
Filter.formula
Property Description: Formula used by the search filter. Use this property to get or set the formula used by the search filter. For more information about the formula property, see search.createFilter(options). For more information about using formulas in searches, see Formulas in Search.
Type: string
Supported Script Types: All script types For more information, see SuiteScript 2.0 Script Types.
Module: N/search Module
Since: 2015.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=Filter.formula

// Code Example 1

// Add additional code

//...

// myFilter is a search.Filter object created using search.createFilter(options)

// Get the filter formula

var theFilterFormula = myFilter.formula;



// Set the filter formula

myFilter.formula = '{contribution} - {partnercontribution}';

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_46683898925.html