diff --git a/descriptions/0/api.intercom.io.yaml b/descriptions/0/api.intercom.io.yaml
index 2f5179b..a57139b 100644
--- a/descriptions/0/api.intercom.io.yaml
+++ b/descriptions/0/api.intercom.io.yaml
@@ -22889,7 +22889,8 @@ components:
       type: object
       description: An object containing the different custom attributes associated
         to the conversation as key-value pairs. For relationship attributes the value
-        will be a list of custom object instance models.
+        will be a list of custom object instance models. System-defined attributes
+        such as "CX Score rating" and "CX Score explanation" may also be included.
       additionalProperties:
         anyOf:
         - type: string
@@ -22902,6 +22903,9 @@ components:
         team_mates: 9
         start_date_iso8601: "2023-03-04T09:46:14Z"
         end_date_timestamp: 1677923174
+        CX Score rating: 4
+        CX Score explanation: The conversation was resolved quickly and the customer
+          expressed satisfaction with the outcome.
     custom_object_instance:
       title: Custom Object Instance
       type: object
diff --git a/descriptions/2.13/api.intercom.io.yaml b/descriptions/2.13/api.intercom.io.yaml
index b3221e5..b5e8f99 100644
--- a/descriptions/2.13/api.intercom.io.yaml
+++ b/descriptions/2.13/api.intercom.io.yaml
@@ -16933,7 +16933,8 @@ components:
       type: object
       description: An object containing the different custom attributes associated
         to the conversation as key-value pairs. For relationship attributes the value
-        will be a list of custom object instance models.
+        will be a list of custom object instance models. System-defined attributes
+        such as "CX Score rating" and "CX Score explanation" may also be included.
       additionalProperties:
         anyOf:
         - type: string
diff --git a/descriptions/2.14/api.intercom.io.yaml b/descriptions/2.14/api.intercom.io.yaml
index 7c4edff..19bb379 100644
--- a/descriptions/2.14/api.intercom.io.yaml
+++ b/descriptions/2.14/api.intercom.io.yaml
@@ -18593,7 +18593,8 @@ components:
       type: object
       description: An object containing the different custom attributes associated
         to the conversation as key-value pairs. For relationship attributes the value
-        will be a list of custom object instance models.
+        will be a list of custom object instance models. System-defined attributes
+        such as "CX Score rating" and "CX Score explanation" may also be included.
       additionalProperties:
         anyOf:
         - type: string
@@ -18606,6 +18607,9 @@ components:
         team_mates: 9
         start_date_iso8601: "2023-03-04T09:46:14Z"
         end_date_timestamp: 1677923174
+        CX Score rating: 4
+        CX Score explanation: The conversation was resolved quickly and the customer
+          expressed satisfaction with the outcome.
     custom_object_instance:
       title: Custom Object Instance
       type: object
diff --git a/descriptions/2.15/api.intercom.io.yaml b/descriptions/2.15/api.intercom.io.yaml
index 58ff9df..5dcf628 100644
--- a/descriptions/2.15/api.intercom.io.yaml
+++ b/descriptions/2.15/api.intercom.io.yaml
@@ -19320,7 +19320,8 @@ components:
       type: object
       description: An object containing the different custom attributes associated
         to the conversation as key-value pairs. For relationship attributes the value
-        will be a list of custom object instance models.
+        will be a list of custom object instance models. System-defined attributes
+        such as "CX Score rating" and "CX Score explanation" may also be included.
       additionalProperties:
         anyOf:
         - type: string
@@ -19333,6 +19334,9 @@ components:
         team_mates: 9
         start_date_iso8601: "2023-03-04T09:46:14Z"
         end_date_timestamp: 1677923174
+        CX Score rating: 4
+        CX Score explanation: The conversation was resolved quickly and the customer
+          expressed satisfaction with the outcome.
     custom_object_instance:
       title: Custom Object Instance
       type: object