Icons can be found here https://boxicons.com/
exports['ch_notify']:sendNotification({
title = 'Promotion',
message = 'You have been promoted to ' .. data.gradename .. '.',
icon = 'bx bxs-upvote',
duration = 5000,
color = '#14b8a6'
})or
TriggerClientEvent('ch_notify:sendNotification', source, {
title = 'Admin Menu',
message = 'Not a valid job',
icon = 'bx bxs-error-circle',
color = '#f43f5f',
duration = 5000
})