Fluent Form Dynamic Redirect

ff-redirect-using-before-confirmation-hook.php

add_action('fluenform_before_submission_confirmation', function($entryId, $formData, $form)
{
   
    if($form->id != 11){           // change form ID 
	return;
    }
    $email = $formData['email'];   // fetch all your data , appened to the URL using & sign
	wp_send_json_success([
            'result' => [
                'redirectUrl' => 'https://google.com/?email='.$email,
                'message'     => 'How You Doing'
            ]
        ]);


}, 10, 3);