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About obtaining Phone ID, Token and WhatsApp Business Account ID, please read：How to Apply for a WhatsApp Business Cloud Account
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Copy the Webhook URL and Verify token from the CloudFon’s WhatsApp channel account .
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On the Edit webhook’s callback URL pop-up, provide the Webhook URL and Verify token you copied from CloudFon CX in the previous step，then Click Verify and save.
About this step，please read：How to Apply for a WhatsApp Business Cloud Account Step4. Set Up a Webhook
Go back to CloudFon CX, click Save.
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That's it!
Your WhatsApp Business Cloud account is now connected to CloudFon CX.