How to pass the -D additional parameter while starting tomcat?

Question

I have a maven project, after running command mvn install all project as well as module compile and copied to local repository successfully. But now I want

Answer 1

before starting tomcat server right click project --> Run as --> Run Configurations second tab --> -Dname=values , -Dname=values , -Dname=values

what about +Dname=value ,, values it become encrypted