node-appwrite/lib/enums/messaging-provider-type.js

Appwrite is an open-source self-hosted backend server that abstract and simplify complex and repetitive development tasks behind a very simple REST API

const MessagingProviderType = Object.freeze({
    Email: 'email' ,
    Sms: 'sms' ,
    Push: 'push' 
});

module.exports = MessagingProviderType;