diff --git a/WellnessLiving/Core/Passport/Login/SignOut/SignOutModel.php b/WellnessLiving/Core/Passport/Login/SignOut/SignOutModel.php
new file mode 100644
index 00000000..90c587f6
--- /dev/null
+++ b/WellnessLiving/Core/Passport/Login/SignOut/SignOutModel.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace WellnessLiving\Core\Passport\Login\SignOut;
+
+use WellnessLiving\WlModelAbstract;
+
+/**
+ * Signs user out.
+ */
+class SignOutModel extends WlModelAbstract
+{
+  }
+
+?>
\ No newline at end of file
diff --git a/WellnessLiving/Wl/Purchase/Receipt/PurchaseReceiptModel.php b/WellnessLiving/Wl/Purchase/Receipt/PurchaseReceiptModel.php
index 9459a75c..0e143e9f 100644
--- a/WellnessLiving/Wl/Purchase/Receipt/PurchaseReceiptModel.php
+++ b/WellnessLiving/Wl/Purchase/Receipt/PurchaseReceiptModel.php
@@ -36,7 +36,7 @@ class PurchaseReceiptModel extends WlModelAbstract
    * @get result
    * @var array
    */
-  public $a_account_rest;
+  public $a_account_rest = [];
 
   /**
    * Information about the business.
@@ -102,7 +102,7 @@ class PurchaseReceiptModel extends WlModelAbstract
    * @get result
    * @var array
    */
-  public $a_business;
+  public $a_business = [];
 
   /**
    * Payment transaction information. Every element has the following keys:
@@ -130,7 +130,7 @@ class PurchaseReceiptModel extends WlModelAbstract
    * @get result
    * @var array
    */
-  public $a_card;
+  public $a_card = [];
 
   /**
    * Information about the customer.
@@ -164,7 +164,7 @@ class PurchaseReceiptModel extends WlModelAbstract
    * @get result
    * @var array
    */
-  public $a_customer;
+  public $a_customer = [];
 
   /**
    * A list of payment methods for the current purchase. Every element has the following keys:
@@ -192,7 +192,7 @@ class PurchaseReceiptModel extends WlModelAbstract
    * @get result
    * @var array
    */
-  public $a_pay_method;
+  public $a_pay_method = [];
 
   /**
    * Complete information about price information for the purchase.
@@ -250,7 +250,7 @@ class PurchaseReceiptModel extends WlModelAbstract
    * @get result
    * @var array
    */
-  public $a_price;
+  public $a_price = [];
 
   /**
    * A list of purchase items. Every element has the following keys:
@@ -341,12 +341,18 @@ class PurchaseReceiptModel extends WlModelAbstract
    *   <dd>
    *     The description of the purchase item.
    *   </dd>
+   *   <dt>
+   *     string <var>url_print</var>
+   *   </dt>
+   *   <dd>
+   *     The URL to print. Only available if the purchase item is a coupon (gift card).
+   *   </dd>
    * </dl>
    *
    * @get result
    * @var array[]
    */
-  public $a_purchase_item;
+  public $a_purchase_item = [];
 
   /**
    * The local date of the purchase in MySQL format.
@@ -373,8 +379,10 @@ class PurchaseReceiptModel extends WlModelAbstract
   public $html_receipt;
 
   /**
-   * Whether the print receipt URL requires authentication. If `true`, the URL contains a token that temporarily
-   * allows access to the print receipt without a login. `false` otherwise.
+   * Whether {@link PurchaseReceiptModel::$url_print} and {@link PurchaseReceiptModel::$url_print_receipt} require authentication.
+   *
+   * If `true`, the URL contains a token that allows temporary access to the page without logging in. If 'false', the
+   * page requires authentication.
    *
    * @get get
    * @var bool
diff --git a/WellnessLiving/Wl/Quiz/QuizElementModel.php b/WellnessLiving/Wl/Quiz/QuizElementModel.php
index 2c9d006e..e8f02cdd 100644
--- a/WellnessLiving/Wl/Quiz/QuizElementModel.php
+++ b/WellnessLiving/Wl/Quiz/QuizElementModel.php
@@ -143,7 +143,7 @@ class QuizElementModel extends WlModelAbstract
   public $k_business = '';
 
   /**
-   * Business type key.
+   * Business type key. Used only for forms in the system business.
    *
    * `null` if not initialized.
    *
diff --git a/WellnessLiving/WlModelRequest.php b/WellnessLiving/WlModelRequest.php
index 5334b922..cd0f19be 100644
--- a/WellnessLiving/WlModelRequest.php
+++ b/WellnessLiving/WlModelRequest.php
@@ -12,7 +12,7 @@ class WlModelRequest
   /**
    * SDK version number.
    */
-  const VERSION='20241113.373612';
+  const VERSION='20241114.373948';
 
   /**
    * A list of headers for the API request. See {@link CURLOPT_HTTPHEADER}.