Place hook at custom places

Hi. As you said I added this code to the functions.php file in Appearance > Theme Editor

add_shortcode('portable_hook', function($atts){
	ob_start();
        $atts = shortcode_atts( array(
            'hook_name' => 'no foo'
        ), $atts, 'portable_hook' );
		do_action($atts['hook_name']);
	return ob_get_clean();
});

Then on the static page for homepage, I created a block and selected shortcode and filled it with:
[portable_hook hook_name="Newsletter Banner"]

Unfortunately nothing happened 🙁
What am I doing wrong?
My hook element name is: “Newsletter Banner”

Great! It worked. The banner was little messing with the upper element, so I did this:
In shortcode I wrote:
<div class="newsletter_banner"> [portable_hook hook_name="newsletter_banner"] </div>

and in the additional CSS I wrote:

.newsletter_banner {
	padding: 25px;
}

Is it the right way?

Thanks again for the solution.