diff --git a/app/backend/ChatHistory.ts b/app/backend/ChatHistory.ts
new file mode 100644
index 0000000..1f5b845
--- /dev/null
+++ b/app/backend/ChatHistory.ts
@@ -0,0 +1,28 @@
+
+// type Message = {
+//     role: string;
+//     content:string
+// }
+
+// type Chat = {
+//     name: string;
+//     messages: Message[];
+//     timestamp: number;
+// };
+
+// export function addMessageToHistory(index: number, chat: Chat): void {
+//     if (index >= 0 && index < chatHistory.length) {
+//         chatHistory[index] = chat;
+//         chatHistory.sort((a, b) => b.timestamp - a.timestamp)  
+//     }
+// }
+
+// export function removeMessageFromHistory(timestamp: number): void {
+//     const index = chatHistory.findIndex((msg) => msg.timestamp === timestamp);
+//     if (index > -1) {
+//         chatHistory.splice(index, 1);
+//         console.log(`Removed message with timestamp: ${timestamp}`);
+//     } else {
+//         console.log(`Message not found with timestamp: ${timestamp}`);
+//     }
+// }