gtag('event', 'purchase', {
'transaction_id': 't_12345',
'currency': 'USD',
'value': 1.23,
user_data: {
email_address: 'johnsmith@email.com',
phone_number: '1234567890',
address: {
first_name: 'john',
last_name: 'smith',
city: 'menlopark',
region: 'ca',
postal_code: '94025',
country: 'usa',
},
},
items: [{
item_name: 'foo',
quantity: 5,
price: 123.45,
item_category: 'bar',
item_brand : 'baz',
}],
});