There are LOTS of good resources for learning how to do Dynamics CRM form-scripting — i.e., placing JavaScript code behind the onLoad and onSave form events, and behind the onChange event of any field ...

Dynamics 365 Form Editor Button Opens a Different Form 4 Tips for Managing your Marketing Lists in Dynamics 365 Don't Forget the Power of Under! A Dynamics 365 Local Message Listener for Web Client ...