diff --git a/src/Symfony/Component/Console/CHANGELOG.md b/src/Symfony/Component/Console/CHANGELOG.md
index 9a93c7991de89..e7f9325125c25 100644
--- a/src/Symfony/Component/Console/CHANGELOG.md
+++ b/src/Symfony/Component/Console/CHANGELOG.md
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+6.1
+---
+
+ * Add method `__toString()` to `InputInterface`
+
 6.0
 ---
 
diff --git a/src/Symfony/Component/Console/Input/InputInterface.php b/src/Symfony/Component/Console/Input/InputInterface.php
index 024da1884eacb..3af991a76fbb8 100644
--- a/src/Symfony/Component/Console/Input/InputInterface.php
+++ b/src/Symfony/Component/Console/Input/InputInterface.php
@@ -18,6 +18,9 @@
  * InputInterface is the interface implemented by all input classes.
  *
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @method string __toString() Returns a stringified representation of the args passed to the command.
+ *                             InputArguments MUST be escaped as well as the InputOption values passed to the command.
  */
 interface InputInterface
 {
diff --git a/src/Symfony/Component/Console/Tests/EventListener/ErrorListenerTest.php b/src/Symfony/Component/Console/Tests/EventListener/ErrorListenerTest.php
index becc9e5405c46..6ad89dc522692 100644
--- a/src/Symfony/Component/Console/Tests/EventListener/ErrorListenerTest.php
+++ b/src/Symfony/Component/Console/Tests/EventListener/ErrorListenerTest.php
@@ -143,4 +143,9 @@ public function getParameterOption($values, $default = false, $onlyParams = fals
     public function parse()
     {
     }
+
+    public function __toString(): string
+    {
+        return '';
+    }
 }