if in taxonomy

Forgive me if this is obvious but I’ve only just started dabbling with custom post types and custom taxonomies. I’m struggling with this. When I was using category’s I would use the code

<?php
if ( in_category( 'countryside' )) {
        echo 'Works';
} else {
	// Show nothing
}
?>

To check if a post was in the category “countryside” but how do I do the same with taxonomies?

My Hierachal taxonomy is called “Collections” and within that I have the category of “Countryside” so I’m wanting to show something if the post is in “Countryside” but show something else if not.

Any help would be greatly appreciated before I pull all of my hair out?!?!