diff --git a/system/engine/action.php b/system/engine/action.php
index e6c2d7d..01d54ff 100644
--- a/system/engine/action.php
+++ b/system/engine/action.php
@@ -8,13 +8,38 @@
 
 namespace Phacil\Framework;
 
+use Phacil\Framework\Interfaces\Action as ActionInterface;
+
 /** @package Phacil\Framework */
-final class Action {
+final class Action implements ActionInterface {
+	/**
+	 * 
+	 * @var string
+	 */
 	protected $file;
+	
+	/**
+	 * 
+	 * @var string
+	 */
 	protected $class;
+	
+	/**
+	 * 
+	 * @var string
+	 */
 	protected $method;
+	
+	/**
+	 * 
+	 * @var array
+	 */
 	protected $args = array();
 
+	/**
+	 * 
+	 * @var (string[]|string|null)[]
+	 */
 	private $classAlt = [];
 
 	/**
@@ -121,12 +146,12 @@ final class Action {
 	}
 	
 	/** @return string  */
-	public function getFile() {
+	public function getFile():string {
 		return $this->file;
 	}
 	
 	/** @return string  */
-	public function getClass() {
+	public function getClass():string {
 		return $this->class;
 	}
 
@@ -145,27 +170,47 @@ final class Action {
 	}
 
 	/** @return array  */
-	public function getClassAlt() {
+	public function getClassAlt():array {
 		return $this->classAlt;
 	}
 	
 	/** @return string  */
-	public function getMethod() {
+	public function getMethod():string {
 		return $this->method;
 	}
 	
 	/** @return array  */
-	public function getArgs() {
+	public function getArgs():array {
 		return $this->args;
 	}
 }
 
 
 /** @package Phacil\Framework */
-final class ActionSystem {
+final class ActionSystem implements ActionInterface {
+	
+	/**
+	 * 
+	 * @var string
+	 */
 	protected $file;
+	
+	/**
+	 * 
+	 * @var string
+	 */
 	protected $class;
+	
+	/**
+	 * 
+	 * @var string
+	 */
 	protected $method;
+	
+	/**
+	 * 
+	 * @var array
+	 */
 	protected $args = array();
 
 	/**
@@ -225,12 +270,12 @@ final class ActionSystem {
 	}
 	
 	/** @return string  */
-	public function getFile() {
+	public function getFile():string {
 		return $this->file;
 	}
 	
 	/** @return string  */
-	public function getClass() {
+	public function getClass():string {
 		return $this->class;
 	}
 
@@ -245,17 +290,17 @@ final class ActionSystem {
 	}
 	
 	/** @return array  */
-	public function getClassAlt() {
+	public function getClassAlt():array {
 		return $this->classAlt;
 	}
 
 	/** @return string  */
-	public function getMethod() {
+	public function getMethod():string {
 		return $this->method;
 	}
 	
 	/** @return array  */
-	public function getArgs() {
+	public function getArgs():array {
 		return $this->args;
 	}
 }
diff --git a/system/engine/autoload.php b/system/engine/autoload.php
index 9a80eed..276d723 100644
--- a/system/engine/autoload.php
+++ b/system/engine/autoload.php
@@ -7,9 +7,6 @@
  */
 
 
-require_once(DIR_SYSTEM . 'engine/action.php'); 
-require_once(DIR_SYSTEM . 'engine/controller.php');
-
 /** @autoload class */
 spl_autoload_register(function ($class) {
 	$namespace = explode("\\", $class);
@@ -52,8 +49,9 @@ spl_autoload_register(function ($class) {
 		'response',
 		'classes',
 		'abstracthelper',
-		'interfaces\front',
-		'interfaces\loader'
+		'interfaces\\front',
+		'interfaces\\loader',
+		'interfaces\\action'
 	];
 
 	if($namespace[0] == "Phacil" && in_array($classNative, $allowed)){
@@ -145,5 +143,6 @@ spl_autoload_register(function ($class) {
 		
 });
 
-
+require_once(DIR_SYSTEM . 'engine/action.php'); 
+//require_once(DIR_SYSTEM . 'engine/controller.php');
 //require_once(DIR_SYSTEM . 'engine/legacy.php');
\ No newline at end of file
diff --git a/system/engine/controller.php b/system/engine/controller.php
index 2366f12..f7e6aef 100644
--- a/system/engine/controller.php
+++ b/system/engine/controller.php
@@ -124,7 +124,7 @@ abstract class Controller {
     /**
      * @param string $route 
      * @param array $args 
-     * @return Action 
+     * @return \Phacil\Framework\Interfaces\Action
      */
     protected function forward($route, array $args = array()) {
         return new Action($route, $args);
diff --git a/system/engine/front.php b/system/engine/front.php
index 4b0af5e..6ef124b 100644
--- a/system/engine/front.php
+++ b/system/engine/front.php
@@ -9,6 +9,7 @@
 namespace Phacil\Framework;
 
 use Phacil\Framework\Interfaces\Front as frontinterface;
+use Phacil\Framework\Interfaces\Action;
 
 use Exception;
 
@@ -40,10 +41,10 @@ final class Front implements frontinterface {
 	
 	
 	/**
-	 * @param ActionSystem $pre_action 
+	 * @param \Phacil\Framework\Interfaces\Action $pre_action 
 	 * @return void 
 	 */
-	public function addPreAction(\Phacil\Framework\ActionSystem $pre_action) {
+	public function addPreAction(\Phacil\Framework\Interfaces\Action $pre_action) {
 		$this->pre_action[] = $pre_action;
 	}
 	
@@ -53,7 +54,7 @@ final class Front implements frontinterface {
   	 * @param string $error 
   	 * @return void 
   	 */
-  	public function dispatch(\Phacil\Framework\Action $action, $error) {
+  	public function dispatch(\Phacil\Framework\Interfaces\Action $action, $error) {
 		$this->error = $error;
 			
 		foreach ($this->pre_action as $pre_action) {
@@ -73,7 +74,7 @@ final class Front implements frontinterface {
     
 	/**
 	 * @param object $action 
-	 * @return Action 
+	 * @return \Phacil\Framework\Interfaces\Action 
 	 * @throws Exception 
 	 */
 	private function execute(object $action) {
diff --git a/system/engine/interfaces/action.php b/system/engine/interfaces/action.php
new file mode 100644
index 0000000..3a18b9c
--- /dev/null
+++ b/system/engine/interfaces/action.php
@@ -0,0 +1,41 @@
+<?php
+/*
+ * Copyright © 2021 ExacTI Technology Solutions. All rights reserved.
+ * GPLv3 General License.
+ * https://exacti.com.br
+ * Phacil PHP Framework - https://github.com/exacti/phacil-framework
+ */
+
+namespace Phacil\Framework\Interfaces;
+
+interface Action {
+
+	/**
+	 * @param string $route 
+	 * @param array $args 
+	 * @return void 
+	 */
+	public function __construct($route, $args = array());
+
+	/** @return string  */
+	public function getFile():string;
+
+	/** @return string  */
+	public function getClass():string;
+
+	/**
+	 * 
+	 * @param string $class 
+	 * @return $this 
+	 */
+	public function setClass($class);
+
+	/** @return array  */
+	public function getClassAlt():array;
+
+	/** @return string  */
+	public function getMethod():string;
+
+	/** @return array  */
+	public function getArgs():array;
+}
\ No newline at end of file
diff --git a/system/engine/interfaces/front.php b/system/engine/interfaces/front.php
index 3f8d9c1..8b9ca3e 100644
--- a/system/engine/interfaces/front.php
+++ b/system/engine/interfaces/front.php
@@ -14,16 +14,16 @@ use Phacil\Framework\ActionSystem;
 interface Front {
 
 	/**
-	 * @param ActionSystem $pre_action 
+	 * @param \Phacil\Framework\Interfaces\Action $pre_action 
 	 * @return void 
 	 */
-	public function addPreAction(\Phacil\Framework\ActionSystem $pre_action);
+	public function addPreAction(\Phacil\Framework\Interfaces\Action $pre_action);
 
 	/**
-	 * @param Action $action 
+	 * @param \Phacil\Framework\Interfaces\Action $action 
 	 * @param string $error 
 	 * @return void 
 	 */
-	public function dispatch(\Phacil\Framework\Action $action, $error);
+	public function dispatch(\Phacil\Framework\Interfaces\Action $action, $error);
 
  }
\ No newline at end of file
diff --git a/system/engine/interfaces/loader.php b/system/engine/interfaces/loader.php
index 37df8d7..31e7742 100644
--- a/system/engine/interfaces/loader.php
+++ b/system/engine/interfaces/loader.php
@@ -30,49 +30,49 @@
 
 	/**
 	 * @param string $model 
-	 * @return mixed 
+	 * @return void 
 	 */
 	public function model(string $model);
 
 	/**
 	 * @param string $helper 
-	 * @return mixed 
+	 * @return void 
 	 */
 	public function helper(string $helper);
 
 	/**
-	 * @param mixed $control 
-	 * @return mixed 
+	 * @param string $control 
+	 * @return void 
 	 */
 	public function control($control);
 
 	/**
-	 * @param mixed $control 
-	 * @return mixed 
+	 * @param string $control 
+	 * @return void 
 	 */
 	public function controller($control);
 
 	/**
-	 * @param mixed $driver 
-	 * @param mixed $hostname 
-	 * @param mixed $username 
-	 * @param mixed $password 
-	 * @param mixed $database 
-	 * @param mixed|null $port 
-	 * @param mixed|null $charset 
-	 * @return mixed 
+	 * @param string $driver 
+	 * @param string $hostname 
+	 * @param string $username 
+	 * @param string $password 
+	 * @param string $database 
+	 * @param int|null $port 
+	 * @param string|null $charset 
+	 * @return string[]|string|null 
 	 */
 	public function database(string $driver, $hostname, $username, $password, $database, $port = NULL, $charset = NULL);
 
 	/**
-	 * @param mixed $config 
-	 * @return mixed 
+	 * @param string $config 
+	 * @return void 
 	 */
 	public function config($config);
 
 	/**
-	 * @param mixed $language 
-	 * @return mixed 
+	 * @param string $language 
+	 * @return void 
 	 */
 	public function language($language);
  }
\ No newline at end of file