Step 1. Access the Twilio account.
Step 2. In the Console view, navigate to Develop >Messaging > Senders >WhatsApp Senders.
Step 3. Create New Sender
Step 3.1 Select a phone number:
Step 3.2 Fill in the Business Profile information:
Step 3.3 Endpoint Configuration
Webhook URL for incoming messages field:
the schema is https://<bot-url>/<channel-id>
