How to use a user event script for activating a checkbox on the sales order based on the payment done on the website

Description : We need to activate a checkbox based on the payment done on the website as credit card.

/**
 * @NApiVersion 2.x
 * @NScriptType UserEventScript
 * @NModuleScope SameAccount
 */

define(['N/record'], function (record) {
  function beforeSubmit(context) {
    if (context.type !== context.UserEventType.CREATE ) return false;
var checkboxValue;
    var newRecord = context.newRecord;
    
 // Retrieve the field values
    var fieldValue = newRecord.getValue({
    fieldId: xxxx // Replace 'your_field_id' with the actual field ID to check its value
    });
   

 //Perform the logic based on the field value
    if(fieldValue==='1'){
        checkboxValue=true;
    }else{
        checkboxValue=false;
    }

 // Set the checkbox field value
    newRecord.setValue({
    fieldId: xxxx, // Replace 'your_checkbox_field_id' with the actual checkbox field ID
      value: checkboxValue
    });
    }
return {
    beforeSubmit: beforeSubmit
  };
});