How to get alert/warning message (alert message) when manager approves after planned start date

[Vinod S Patil]

Hello Everyone,

I have below requirements, please suggest me

> Create warning message when manager approves after planed start date/time.

@Sandeep Rajput 

@Satishkumar B 
@Mark Manders 

@

[Vinod S Patil]

@Satishkumar B  Thank you for your help 🙂

can you tell, how to do it in client script because we need use alert message.