diff --git a/src/CliProgram/Validation/TCommandWithValidation.php b/src/CliProgram/Validation/TCommandWithValidation.php
index 00893df..152ff89 100644
--- a/src/CliProgram/Validation/TCommandWithValidation.php
+++ b/src/CliProgram/Validation/TCommandWithValidation.php
@@ -5,13 +5,14 @@ namespace jrosset\CliProgram\Validation;
 use Closure;
 use jrosset\CliProgram\Validation\Validators\InvalidValueException;
 use jrosset\CliProgram\Validation\Validators\IValidator;
+use ReflectionFunction;
 use Stringable;
+use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Exception\InvalidArgumentException;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
-use Throwable;
 
 /**
  * Provide a value validation process ({@see IValidator}) to {@see self::addArgument()} and {@see self::addOption()}
@@ -25,16 +26,58 @@ trait TCommandWithValidation {
      * @var array<string, IValidator> The validators of each {@see InputOption}
      */
     private array $optionsValidator = [];
+    /**
+     * @var Closure|null The <i>real</i> code ({@see Command::$code} is used to perform input validation before execution) to execute when running this command.
+     *                   <br><br>If set, it overrides the code defined in the execute() method.
+     */
+    private ?Closure $realCode = null;
 
     /**
      * @inheritDoc
-     *
-     * @throws Throwable If an argument or option is not valid
      */
-    protected function interact (InputInterface $input, OutputInterface $output): void {
-        parent::interact($input, $output);
-        $this->validate($input, $output);
+    protected function initialize (InputInterface $input, OutputInterface $output): void {
+        parent::setCode(
+            function (InputInterface $input, OutputInterface $output): int {
+                $this->validate($input, $output);
+
+                return $this->realCode !== null
+                    ? ($this->realCode)($input, $output)
+                    : $this->execute($input, $output);
+            }
+        );
+        parent::initialize($input, $output);
+    }
+    /**
+     * @inheritDoc
+     */
+    public function setCode (callable $code): static {
+        if ($code instanceof Closure) {
+            /** @noinspection PhpUnhandledExceptionInspection */
+            $codeReflection = new ReflectionFunction($code);
+            if ($codeReflection->getClosureThis() === null) {
+                set_error_handler(
+                    static function () {
+                    }
+                );
+                try {
+                    if ($rebindCode = Closure::bind($code, $this)) {
+                        $code = $rebindCode;
+                    }
+                }
+                finally {
+                    restore_error_handler();
+                }
+            }
+        }
+        else {
+            $code = $code(...);
+        }
+
+        // {@see Command::$code} is used to perform input validation before execution, so set {@see self::$realCode} instead
+        $this->realCode = $code;
+        return $this;
     }
+
     /**
      * Validate the command input
      *
diff --git a/src/CliProgram/Validation/Validators/BasedValidator.php b/src/CliProgram/Validation/Validators/BasedValidator.php
index 8dcbe9d..c7a5fe6 100644
--- a/src/CliProgram/Validation/Validators/BasedValidator.php
+++ b/src/CliProgram/Validation/Validators/BasedValidator.php
@@ -11,14 +11,14 @@ abstract class BasedValidator implements IValidator {
     /**
      * @var TValidator The internal validator
      */
-    private $internalValidator;
+    private IValidator $internalValidator;
 
     /**
      * Create a validator
      *
      * @param TValidator $internalValidator The internal validator
      */
-    public function __construct ($internalValidator) {
+    public function __construct (IValidator $internalValidator) {
         $this->internalValidator = $internalValidator;
     }
     /**
@@ -26,7 +26,7 @@ abstract class BasedValidator implements IValidator {
      *
      * @return TValidator The internal validator
      */
-    protected function getInternalValidator () {
+    protected function getInternalValidator (): IValidator {
         return $this->internalValidator;
     }
 
diff --git a/src/CliProgram/Validation/Validators/TInternalValueValidator.php b/src/CliProgram/Validation/Validators/TInternalValueValidator.php
index 307ae95..111be89 100644
--- a/src/CliProgram/Validation/Validators/TInternalValueValidator.php
+++ b/src/CliProgram/Validation/Validators/TInternalValueValidator.php
@@ -13,7 +13,7 @@ namespace jrosset\CliProgram\Validation\Validators;
  */
 trait TInternalValueValidator {
     /**
-     * @var TValue|null The current value, after
+     * @var TValue|null The current value, after it's validation
      */
     private $value = null;