appwrite/app/config/locale/templates.php

<?php

return [
    'email' => [
        'verification',
        'magicSession',
        'recovery',
        'invitation',
        'mfaChallenge',
        'sessionAlert',
        'otpSession'
    ],
    'sms' => [
        'verification',
        'login',
        'invitation',
        'mfaChallenge'
    ]
];