diff --git a/src/Storage/ObjectCustomContextPayload.php b/src/Storage/ObjectCustomContextPayload.php
index fceaa0e500..380e09cff6 100644
--- a/src/Storage/ObjectCustomContextPayload.php
+++ b/src/Storage/ObjectCustomContextPayload.php
@@ -25,6 +25,12 @@ class ObjectCustomContextPayload extends \Google\Model
    * @var string
    */
   public $createTime;
+  /**
+   * The type URL of the object context's extended data.
+   *
+   * @var string
+   */
+  public $extendedDataTypeUrl;
   /**
    * The time at which the object context was last updated in RFC 3339 format.
    *
@@ -54,6 +60,22 @@ public function getCreateTime()
   {
     return $this->createTime;
   }
+  /**
+   * The type URL of the object context's extended data.
+   *
+   * @param string $extendedDataTypeUrl
+   */
+  public function setExtendedDataTypeUrl($extendedDataTypeUrl)
+  {
+    $this->extendedDataTypeUrl = $extendedDataTypeUrl;
+  }
+  /**
+   * @return string
+   */
+  public function getExtendedDataTypeUrl()
+  {
+    return $this->extendedDataTypeUrl;
+  }
   /**
    * The time at which the object context was last updated in RFC 3339 format.
    *