diff --git a/src/main/java/ai/devchat/devchat/ActionHandlerFactory.java b/src/main/java/ai/devchat/devchat/ActionHandlerFactory.java
index 515f4e5..d41609d 100644
--- a/src/main/java/ai/devchat/devchat/ActionHandlerFactory.java
+++ b/src/main/java/ai/devchat/devchat/ActionHandlerFactory.java
@@ -17,6 +17,7 @@ public class ActionHandlerFactory {
             put(DevChatActions.LIST_TOPICS_REQUEST, ListTopicsRequestHandler.class);
             put(DevChatActions.INSERT_CODE_REQUEST, InsertCodeRequestHandler.class);
             put(DevChatActions.REPLACE_FILE_CONTENT_REQUEST, ReplaceFileContentHandler.class);
+            put(DevChatActions.VIEW_DIFF_REQUEST, ViewDiffRequestHandler.class);
         }
     };
 
diff --git a/src/main/java/ai/devchat/devchat/DevChatActions.java b/src/main/java/ai/devchat/devchat/DevChatActions.java
index 4facc56..dfb4f03 100644
--- a/src/main/java/ai/devchat/devchat/DevChatActions.java
+++ b/src/main/java/ai/devchat/devchat/DevChatActions.java
@@ -17,4 +17,6 @@ public class DevChatActions {
     public static final String INSERT_CODE_RESPONSE = "insertCode/response";
     public static final String REPLACE_FILE_CONTENT_REQUEST = "replaceFileContent/request";
     public static final String REPLACE_FILE_CONTENT_RESPONSE = "replaceFileContent/response";
+    public static final String VIEW_DIFF_REQUEST = "viewDiff/request";
+    public static final String VIEW_DIFF_RESPONSE = "viewDiff/response";
 }
diff --git a/src/main/java/ai/devchat/devchat/handler/ViewDiffRequestHandler.java b/src/main/java/ai/devchat/devchat/handler/ViewDiffRequestHandler.java
new file mode 100644
index 0000000..a4e85c4
--- /dev/null
+++ b/src/main/java/ai/devchat/devchat/handler/ViewDiffRequestHandler.java
@@ -0,0 +1,37 @@
+package ai.devchat.devchat.handler;
+
+import ai.devchat.common.Log;
+import ai.devchat.devchat.ActionHandler;
+import ai.devchat.devchat.DevChatActionHandler;
+import com.alibaba.fastjson.JSONObject;
+import com.intellij.psi.PsiFileFactory;
+
+public class ViewDiffRequestHandler implements ActionHandler {
+    private JSONObject metadata;
+    private JSONObject payload;
+    private final DevChatActionHandler devChatActionHandler;
+
+    public ViewDiffRequestHandler(DevChatActionHandler devChatActionHandler) {
+        this.devChatActionHandler = devChatActionHandler;
+    }
+
+    @Override
+    public void executeAction() {
+        Log.info("Handling view diff request");
+        String callbackFunc = metadata.getString("callback");
+        String diffContent = payload.getString("content");
+
+        PsiFileFactory psiFileFactory = PsiFileFactory.getInstance(devChatActionHandler.getProject());
+//        PsiFile psiFile = psiFileFactory.createFileFromText("yourFileName.java", , diffContent);
+    }
+
+    @Override
+    public void setMetadata(JSONObject metadata) {
+        this.metadata = metadata;
+    }
+
+    @Override
+    public void setPayload(JSONObject payload) {
+        this.payload = payload;
+    }
+}