espocrm-base/application/Espo/Resources/metadata/app/authentication2FAMethods.json

{
    "Totp": {
        "settings": {
            "isAvailable": true
        },
        "userApplyView": "views/user-security/modals/totp",
        "loginClassName": "Espo\\Core\\Authentication\\TwoFactor\\Totp\\TotpLogin",
        "userSetupClassName": "Espo\\Core\\Authentication\\TwoFactor\\Totp\\TotpUserSetup"
    },
    "Email": {
        "settings": {
            "isAvailable": true
        },
        "userApplyView": "views/user-security/modals/two-factor-email",
        "loginClassName": "Espo\\Core\\Authentication\\TwoFactor\\Email\\EmailLogin",
        "userSetupClassName": "Espo\\Core\\Authentication\\TwoFactor\\Email\\EmailUserSetup"
    },
    "Sms": {
        "settings": {
            "isAvailable": true
        },
        "userApplyView": "views/user-security/modals/two-factor-sms",
        "loginClassName": "Espo\\Core\\Authentication\\TwoFactor\\Sms\\SmsLogin",
        "userSetupClassName": "Espo\\Core\\Authentication\\TwoFactor\\Sms\\SmsUserSetup"
    }
}