diff --git a/includes/wc-payment-api/models/class-wc-payments-api-intention.php b/includes/wc-payment-api/models/class-wc-payments-api-intention.php
index c0fa925de3d..70db4d46aa1 100644
--- a/includes/wc-payment-api/models/class-wc-payments-api-intention.php
+++ b/includes/wc-payment-api/models/class-wc-payments-api-intention.php
@@ -104,6 +104,13 @@ class WC_Payments_API_Intention {
 	 */
 	private $metadata;
 
+	/**
+	 * The statement descriptor of the intention.
+	 *
+	 * @var string|null
+	 */
+	private $statement_descriptor;
+
 	/**
 	 * WC_Payments_API_Intention constructor.
 	 *