Sandbox

I am writing a couple of modules and I am wondering if I should put in the cache parameter I have seen in other modules, and if I need to put anything in the module's php to make caching work.

If I am not mistaken I could just copy the cache param from another module into my module's xml and I do not need to do any php coding since the Joomla system will automatically pick up the parameter and act accordingly.

Is that correct?

Many thanks in advance!