gtag('event', 'purchase', { 'transaction_id': 't_12345', 'currency': 'CAD', 'value': 1.23, user_data: { email_address: 'info@b-liv.ca', phone_number: '14385585811', address: { first_name: 'B-LIV', last_name: 'Architecture', city: 'Montreal', region: 'PQ', postal_code: 'H2K3T1', country: 'canada', }, }, items: [{ item_name: 'foo', quantity: 5, price: 123.45, item_category: 'bar', item_brand : 'baz', }], });