Function to check whether the script is running in production

function isProduction() {
var companyInfo = config.load({
type: config.Type.COMPANY_INFORMATION
});
var ns_companyid = companyInfo.getValue({
fieldId: 'companyid'
}).toString().trim().toLowerCase();
if (Number.isNaN(Number(ns_companyid))) //Will be NaN for Sandbox or Release Preview accounts
return false;

}