Tips on Customizing Estatik Real Estate Plugin

How to Hide Estatik Admin Menus

function plt_hide_estatik_menus() {
	//Hide "Estatik".
	remove_menu_page('es_dashboard');
	//Hide "Estatik → Dashboard".
	remove_submenu_page('es_dashboard', 'es_dashboard');
	//Hide "Estatik → My listings".
	remove_submenu_page('es_dashboard', 'edit.php?post_type=properties');
	//Hide "Estatik → Add new property".
	remove_submenu_page('es_dashboard', 'post-new.php?post_type=properties');
	//Hide "Estatik → Data manager".
	remove_submenu_page('es_dashboard', 'es_data_manager');
	//Hide "Estatik → Fields Builder".
	remove_submenu_page('es_dashboard', 'es_fields_builder');
	//Hide "Estatik → Settings".
	remove_submenu_page('es_dashboard', 'es_settings');
	//Hide "Estatik → Demo content".
	remove_submenu_page('es_dashboard', 'es_demo');
}

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

Where do I put this code?

How to Hide the "Properties info" Meta Box

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

	//Hide the "Properties info" meta box.
	remove_meta_box('es_property_meta_box', $screen->id, 'advanced');
}

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