route:before

return [
    'hooks' => [
        'route:before' => function ($route, $path, $method) {
            // your code goes here
        }
    ]
]

When is the hook triggered

• Kirby is set up
• The routes are loaded
• The router is created
• The router tries to find a matching route
• The route:before hook is triggered
• The route action is executed
• Within the route the route action is executed (a page rendered, deleted, or whatever the script does)
• The route:after hook is triggered with the result of the route action