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WP_admin_menu

// Add Toolbar Menus
function wp_toolbar() {
	global $wp_admin_bar;

	$args = array(
		'id'     => 'wp_toolbar_elements',
		'parent' => 'wp_toolbar_elements',
		'title'  => __( 'Elements', 'wp_toolbar' ),
		'href'   => 'https://items.com.ar/wp-admin/edit.php?post_type=gp_elements',
		'group'  => false,
	);
	$wp_admin_bar->add_menu( $args );

	$args = array(
		'id'     => 'wp_toolbar_generate',
		'title'  => __( 'Generate Press', 'wp_toolbar' ),
		'href'   => 'https://items.com.ar/wp-admin/themes.php?page=generate-options',
		'group'  => false,
	);
	$wp_admin_bar->add_menu( $args );

}
add_action( 'wp_before_admin_bar_render', 'wp_toolbar', 999 );