diff --git a/src/Metadata/Model/MethodMeta.php b/src/Metadata/Model/MethodMeta.php
index 8125bc9..269556d 100644
--- a/src/Metadata/Model/MethodMeta.php
+++ b/src/Metadata/Model/MethodMeta.php
@@ -18,11 +18,21 @@ final class MethodMeta
      */
     private $action;
 
+    /**
+     * @var string|null
+     */
+    private $operationName;
+
     /**
      * @var string|null
      */
     private $location;
 
+    /**
+     * @var string|null
+     */
+    private $targetNamespace;
+
     /**
      * @var string|null
      */
@@ -43,11 +53,31 @@ final class MethodMeta
      */
     private $inputBindingUsage;
 
+    /**
+     * @var string|null
+     */
+    private $inputNamespace;
+
+    /**
+     * @var string|null
+     */
+    private $inputEncodingStyle;
+
     /**
      * @var string|null
      */
     private $outputBindingUsage;
 
+    /**
+     * @var string|null
+     */
+    private $outputNamespace;
+
+    /**
+     * @var string|null
+     */
+    private $outputEncodingStyle;
+
     /**
      * @var bool|null
      */
@@ -85,6 +115,22 @@ public function withAction(?string $action): self
         return $new;
     }
 
+    /**
+     * @return Option<string>
+     */
+    public function operationName(): Option
+    {
+        return from_nullable($this->operationName);
+    }
+
+    public function withOperationName(?string $operationName): self
+    {
+        $new = clone $this;
+        $new->operationName = $operationName;
+
+        return $new;
+    }
+
     /**
      * @return Option<string>
      */
@@ -101,6 +147,22 @@ public function withlocation(?string $location): self
         return $new;
     }
 
+    /**
+     * @return Option<string>
+     */
+    public function targetNamespace(): Option
+    {
+        return from_nullable($this->targetNamespace);
+    }
+
+    public function withTargetNamespace(?string $targetNamespace): self
+    {
+        $new = clone $this;
+        $new->targetNamespace = $targetNamespace;
+
+        return $new;
+    }
+
     /**
      * @return Option<string>
      */
@@ -181,6 +243,39 @@ public function withInputBindingUsage(?string $inputBindingUsage): self
         return $new;
     }
 
+    /**
+     * @return Option<string>
+     */
+    public function inputNamespace(): Option
+    {
+        return from_nullable($this->inputNamespace);
+    }
+
+    public function withInputNamespace(?string $inputNamespace): self
+    {
+        $new = clone $this;
+        $new->inputNamespace = $inputNamespace;
+
+        return $new;
+    }
+
+    /**
+     * @return Option<string>
+     */
+    public function inputEncodingStyle(): Option
+    {
+        return from_nullable($this->inputEncodingStyle);
+    }
+
+    public function withInputEncodingStyle(?string $inputEncodingStyle): self
+    {
+        $new = clone $this;
+        $new->inputEncodingStyle = $inputEncodingStyle;
+
+        return $new;
+    }
+
+
     /**
      * @return Option<string>
      */
@@ -196,4 +291,36 @@ public function withOutputBindingUsage(?string $outputBindingUsage): self
 
         return $new;
     }
+
+    /**
+     * @return Option<string>
+     */
+    public function outputNamespace(): Option
+    {
+        return from_nullable($this->outputNamespace);
+    }
+
+    public function withOutputNamespace(?string $outputNamespace): self
+    {
+        $new = clone $this;
+        $new->outputNamespace = $outputNamespace;
+
+        return $new;
+    }
+
+    /**
+     * @return Option<string>
+     */
+    public function outputEncodingStyle(): Option
+    {
+        return from_nullable($this->outputEncodingStyle);
+    }
+
+    public function withOutputEncodingStyle(?string $outputEncodingStyle): self
+    {
+        $new = clone $this;
+        $new->outputEncodingStyle = $outputEncodingStyle;
+
+        return $new;
+    }
 }