diff --git a/src/Validator/Rule/AbstractRule.php b/src/Validator/Rule/AbstractRule.php
index fac4aad..706d8b6 100644
--- a/src/Validator/Rule/AbstractRule.php
+++ b/src/Validator/Rule/AbstractRule.php
@@ -1,13 +1,14 @@
 <?php
 
 namespace ctiso\Validator\Rule;
+
 use ctiso\Collection;
 
 abstract class AbstractRule
 {
     public string $field;
     protected ?string $errorMsg;
-    /** @var object */
+    /** @var RuleContext */
     protected $ctx;
 
     public function __construct(string $field, ?string $errorMsg = null)
@@ -48,7 +49,7 @@ abstract class AbstractRule
     }
 
     /**
-     * @param object $ctx
+     * @param RuleContext $ctx
      */
     public function setContext($ctx): void
     {
diff --git a/src/Validator/Rule/Alpha.php b/src/Validator/Rule/Alpha.php
index a353707..2f13230 100644
--- a/src/Validator/Rule/Alpha.php
+++ b/src/Validator/Rule/Alpha.php
@@ -4,8 +4,9 @@
  * Проверка на число
  */
 namespace ctiso\Validator\Rule;
-use ctiso\Validator\Rule\AbstractRule,
-    ctiso\Collection;
+
+use ctiso\Validator\Rule\AbstractRule;
+use ctiso\Collection;
 
 class Alpha extends AbstractRule
 {
diff --git a/src/Validator/Rule/RuleContext.php b/src/Validator/Rule/RuleContext.php
new file mode 100644
index 0000000..e5be2fc
--- /dev/null
+++ b/src/Validator/Rule/RuleContext.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace ctiso\Validator\Rule;
+use ctiso\Collection;
+use ctiso\HttpRequest;
+
+interface RuleContext {
+    function getMessage(): string;
+    function isUnique(string $field, mixed $status, Collection $collection): bool;
+}
\ No newline at end of file
diff --git a/src/Validator/Rule/Unique.php b/src/Validator/Rule/Unique.php
index b3d49fa..37dfccf 100644
--- a/src/Validator/Rule/Unique.php
+++ b/src/Validator/Rule/Unique.php
@@ -3,8 +3,9 @@
 /**
  */
 namespace ctiso\Validator\Rule;
-use ctiso\Validator\Rule\AbstractRule,
-    ctiso\Collection;
+
+use ctiso\Validator\Rule\AbstractRule;
+use ctiso\Collection;
 
 class Unique extends AbstractRule
 {
@@ -15,7 +16,7 @@ class Unique extends AbstractRule
 
     public function isValid(Collection $container, $status = null): bool
     {
-        return $this->ctx->isUnique($container->get($this->field), $status, $container);
+        return $this->ctx->isUnique($container->getString($this->field), $status, $container);
     }
 }
 
diff --git a/src/Validator/Validator.php b/src/Validator/Validator.php
index 2404d6a..2225479 100644
--- a/src/Validator/Validator.php
+++ b/src/Validator/Validator.php
@@ -4,15 +4,16 @@
  * Проверка коллекции
  */
 namespace ctiso\Validator;
-use Exception,
-    ctiso\Validator\Rule\AbstractRule,
-    ctiso\Collection;
+use Exception;
+use ctiso\Validator\Rule\AbstractRule;
+use ctiso\Validator\Rule\RuleContext;
+use ctiso\Collection;
 
 /**
  * @phpstan-type Rule array{
  *      validate?:string,  // Описание правила см. формат правила ниже
  *      name:string,      // Имя переменой для проверки
- *      context?:object
+ *      context?:RuleContext
  * }
  */
 class Validator