<?php

class CustomAdminHomePage extends WireData implements Module {

    public static function getModuleInfo() {

        return array(
            'title' => 'Custom Admin Home Page',
            'version' => 100,
            'summary' => 'Direct users to a custom page on login',
            'href' => '',
            'singular' => true,
            'autoload' => true,
            );
    }

    public function init() {
        $this->addHookBefore('ProcessHome::execute', $this, 'adminHomePage');
    }

    /**
     * Redirect users with custom-role to another page after login
     */
    public function adminHomePage(HookEvent $event) {
        $this->session->redirect('/processwire/dashboard/'); // or whatever page you want
    }

}