update model

Author: Will-ShaoHua

packages/core/src/codewhisperer/client/user-service-2.json

@@ -399,6 +399,7 @@
             "members": {
                 "conversationId": { "shape": "ConversationId" },
                 "messageId": { "shape": "MessageId" },
+                "customizationArn": { "shape": "CustomizationArn" },
                 "userIntent": { "shape": "UserIntent" },
                 "hasCodeSnippet": { "shape": "Boolean" },
                 "programmingLanguage": { "shape": "ProgrammingLanguage" },
@@ -425,6 +426,7 @@
             "members": {
                 "conversationId": { "shape": "ConversationId" },
                 "messageId": { "shape": "MessageId" },
+                "customizationArn": { "shape": "CustomizationArn" },
                 "interactionType": { "shape": "ChatMessageInteractionType" },
                 "interactionTarget": { "shape": "ChatInteractWithMessageEventInteractionTargetString" },
                 "acceptedCharacterCount": { "shape": "Integer" },
@@ -471,6 +473,7 @@
             "required": ["conversationId", "messageId", "modificationPercentage"],
             "members": {
                 "conversationId": { "shape": "ConversationId" },
+                "customizationArn": { "shape": "CustomizationArn" },
                 "messageId": { "shape": "MessageId" },
                 "programmingLanguage": { "shape": "ProgrammingLanguage" },
                 "modificationPercentage": { "shape": "Double" },