diff --git a/src/main/java/com/alipay/global/api/model/ams/PaymentMethodPaymentMethodMetaData.java b/src/main/java/com/alipay/global/api/model/ams/PaymentMethodPaymentMethodMetaData.java
new file mode 100644
index 0000000..df8c0e9
--- /dev/null
+++ b/src/main/java/com/alipay/global/api/model/ams/PaymentMethodPaymentMethodMetaData.java
@@ -0,0 +1,25 @@
+/*
+ * payments_pay
+ * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
+ *
+ * The version of the OpenAPI document: 1.0.0
+ *
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package com.alipay.global.api.model.ams;
+
+import lombok.*;
+
+/** Additional information required for some specific payment methods. */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class PaymentMethodPaymentMethodMetaData {
+
+  private PaymentMethodPaymentMethodMetaDataChannelOptionBill channelOptionBill;
+}
diff --git a/src/main/java/com/alipay/global/api/model/ams/PaymentMethodPaymentMethodMetaDataChannelOptionBill.java b/src/main/java/com/alipay/global/api/model/ams/PaymentMethodPaymentMethodMetaDataChannelOptionBill.java
new file mode 100644
index 0000000..fa0d354
--- /dev/null
+++ b/src/main/java/com/alipay/global/api/model/ams/PaymentMethodPaymentMethodMetaDataChannelOptionBill.java
@@ -0,0 +1,32 @@
+/*
+ * payments_pay
+ * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
+ *
+ * The version of the OpenAPI document: 1.0.0
+ *
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package com.alipay.global.api.model.ams;
+
+import lombok.*;
+
+/** PaymentMethodPaymentMethodMetaDataChannelOptionBill */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class PaymentMethodPaymentMethodMetaDataChannelOptionBill {
+
+  /**
+   * The promotion code(s) agreed between the merchant and Sequra, identifying promotional
+   * activities such as interest-free installments. When multiple codes exist, concatenate with
+   * commas (max 99 codes, each max 20 characters). IPay only passes through and does not validate.
+   * Required when the merchant has agreed promotion codes with Sequra. Default: not transmitted, no
+   * impact. Nullable: yes.
+   */
+  private String channelPromotionCode;
+}