Pop up Alert messages on CRM module

Hi,

We are using JDEdwards Enterprise One CRM module to manage Prospects and new Opportunities for a customer. When adding a new activity for one of Those Opportunities via PC90CB020, customer is asking to have a functionality similar to the Agenda in Outlook, this is  the system to show a pop up alert message to the user responsible of that activity as a reminder on the date that the activity has to be done. For instance if I create an activity associated to an Opportunity like this: "Call customer on March 15th" and I assign a responsible for this (for instance