var new_contact = { 'First name': 'John', //Replace with first name of the user 'Last name': 'Doe', //Replace with last name of the user 'Email': 'john.doe@example.com', //Replace with email of the user 'Alternate contact number': '98765432', //Replace with a custom field 'company': { 'Name': 'Example.com', //Replace with company name 'Website': 'www.example.com' //Replace with website of company } }; var identifier = 'john.doe@example.com'; fwcrm.identify(identifier, new_contact);