Tips on Customizing IMPress Agents

How to Hide IMPress Agents Admin Menus

function plt_hide_impress_agents_menus() {
	//Hide "Employees".
	remove_menu_page('edit.php?post_type=employee');
	//Hide "Employees → Employees".
	remove_submenu_page('edit.php?post_type=employee', 'edit.php?post_type=employee');
	//Hide "Employees → Add New Employee".
	remove_submenu_page('edit.php?post_type=employee', 'post-new.php?post_type=employee');
	//Hide "Employees → Offices".
	remove_submenu_page('edit.php?post_type=employee', 'edit-tags.php?taxonomy=offices&post_type=employee');
	//Hide "Employees → Job Types".
	remove_submenu_page('edit.php?post_type=employee', 'edit-tags.php?taxonomy=job-types&post_type=employee');
	//Hide "Employees → Import Agents".
	remove_submenu_page('edit.php?post_type=employee', 'impa-idx-agent');
	//Hide "Employees → Settings".
	remove_submenu_page('edit.php?post_type=employee', 'impress-agents-settings');
	//Hide "Employees → Register Taxonomies".
	remove_submenu_page('edit.php?post_type=employee', 'impress-agents-taxonomies');
}

add_action('admin_menu', 'plt_hide_impress_agents_menus', 16);

Where do I put this code?

How to Hide the "Employee Info" Meta Box

function plt_hide_impress_agents_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Employee Info" meta box.
	remove_meta_box('employee_details_metabox', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_impress_agents_metaboxes', 20);