So ...

The plugin works out of the box.

In other words, there are no options for you to configure.

In order to hide a given text segment in your post using the toggle effect, you'll have to use a shortcode which looks like this:

[showhide type="post" more_text="Show more..." less_text="Show less..."]

Text you want to hide[/showhide]

So, if I insert the above shortcode into my post ...

... I'll get the following live result ...

... and once the "Show more ..." link has been clicked, I'll see this:

Cool, isn't it?

OK. Now let's see some closing thoughts ...