Thanks for the feedback, we work towards bringing more and more features across all Dhan platforms, including TradingView.
However specifically for TradingView, we use a hosted library solution for Dhan and the features that are extended to us are limited by TradingView. If more get extended, we will bring them on our platform.
If you are a TradingView (main platform) user, then we always recommend users to use webhooks to place orders: Introducing Webhook Alerts : Direct Order Placements on TradingView from Dhan