How to Hide SharpSpring Wordpress Admin Menus

function plt_hide_sharpspring_connector_menus() {
	//Hide "SharpSpring".
	remove_menu_page('sharpspring');
	//Hide "SharpSpring → Settings".
	remove_submenu_page('sharpspring', 'sharpspring');
	//Hide "SharpSpring → Field Names".
	remove_submenu_page('sharpspring', 'sharpspring-fields');
	//Hide "SharpSpring → Documentation".
	remove_submenu_page('sharpspring', 'sharpspring-docs');
}

add_action('admin_menu', 'plt_hide_sharpspring_connector_menus', 11);

Where do I put this code?