Display welcome message in PIA

Just follow the simple steps to display the welcome message on the home page like below

Open Application Package : PT_BRANDING
Double Click on the Application Class :BrandingBase
Search for the following line of code

 i.e.  &Greeting = &Portal.Homepage.Greeting;

Make this as comment and paste the following code 

       &Greeting = %Userid | "Logged On" | %Dbname |"at"|%datetime;