How to receive and process a notification#

npm i @green-api/whatsapp-api-client

const whatsAppClient = require("@green-api/whatsapp-api-client");

import whatsAppClient from "@green-api/whatsapp-api-client";

import * as whatsAppClient from "@green-api/whatsapp-api-client";

API_TOKEN_INSTANCE = "MY_API_TOKEN_INSTANCE"
ID_INSTANCE = "MY_ID_INSTANCE"

const restAPI = whatsAppClient.restAPI(({
    credentialsPath: "examples\\credentials"
}))

import whatsAppClient from '@green-api/whatsapp-api-client'

(async () => {

    let restAPI = whatsAppClient.restAPI(({
        idInstance: process.env.ID_INSTANCE,
        apiTokenInstance: process.env.API_TOKEN_INSTANCE
    }))

    try {
        // receive WhatsApp notifications.
        console.log( "Waiting incoming notifications...")
        await restAPI.webhookService.startReceivingNotifications()
        restAPI.webhookService.onReceivingMessageText((body) => {
            console.log(body)
            restAPI.webhookService.stopReceivingNotifications();
            //console.log("Notifications is about to stop in 5 sec if no messages will be queued...")
        })
        restAPI.webhookService.onReceivingDeviceStatus((body) => {
            console.log(body)
        })
        restAPI.webhookService.onReceivingAccountStatus((body) => {
            console.log(body)
        })
    } catch (ex) {
        console.error(ex.toString())
    }

})();