post https://elastic.messangi.me/oberyn/v1/notification
This endpoint allows you to send a new Notification depending on the type of communication channel you want to send (SMS, Email, Push ,Rcs, WhatsApp).
The channel parameter allows us to differentiate the type of communication channel between SMS, Email, Rcs, WhatsApp or Push notification. That's why only this endpoint is used for the send of Notification because the channel help us to send each type of communication channel.