You may wish to tweak an out-of-the-box template. Follow the instructions in this article to do so and to ensure that your changes are retained across wasp restarts. We will create a modification in List Designer to illustrate.
Note: You can also create new reports and views using this process. The only difference will be that you will be creating a new report or view, thus you will be ADDING your definition to the appropriate definition file rather than replacing an existing definition.
How Do I Customize Out of the Box Report Templates?
UIM 8.x, 9.x, 20.1
Follow these steps: