title: properties of an app run-as-an-eclipse-application
body: <p>As the title says, I have an app that is run as an eclipse application.
  I want to change the properties by adding a new field to it.
  how can I access it? where do I find it? </p>
  
  <p>Edit: by properties I mean the eclipse workbench properties view that is used to view or modify properties of a selected item. </p>