Hello @Ragha
Welcome to Dhan Community. To get an understanding of setting up webhooks, you can refer to the video here : How to Use and Setup Webhook Alerts? - TradingView Webhook Alerts | Dhan - YouTube
In this case, price alert needs to be generated through your strategy to be able to place orders on Dhan. You can always reach out to us at help@dhan.co if you face any such difficulties.