In this section you will be able to know the number of notifications that are in the Inbox according to their status, the model is as follows:
Inbox.getMessageCount((counters) => {
// DO SOMEHTING
}, (error) => {
///log error
}, {auth: YOUR_JSON})
Inbox.getInbox((inbox) => {
// DO SOMEHTING
}, (error) => {
///log error
}, {auth: YOUR_JSON})