1 files changed, 10 insertions, 0 deletions
diff --git a/packages/plugin/src/index.ts b/packages/plugin/src/index.ts
index f00e90482..57ca75d60 100644
--- a/packages/plugin/src/index.ts
+++ b/packages/plugin/src/index.ts
@@ -6,6 +6,7 @@ import type {
   Provider,
   Permission,
   UserMessage,
+  Message,
   Part,
   Auth,
   Config,
@@ -175,6 +176,15 @@ export interface Hooks {
       metadata: any
     },
   ) => Promise<void>
+  "experimental.chat.messages.transform"?: (
+    input: {},
+    output: {
+      messages: {
+        info: Message
+        parts: Part[]
+      }[]
+    },
+  ) => Promise<void>
   "experimental.text.complete"?: (
     input: { sessionID: string; messageID: string; partID: string },
     output: { text: string },