diff --git a/app/src/main/java/com/example/tampopo_client/models/ChatMessage.java b/app/src/main/java/com/example/tampopo_client/models/ChatMessage.java
new file mode 100644
index 0000000..e46e3b4
--- /dev/null
+++ b/app/src/main/java/com/example/tampopo_client/models/ChatMessage.java
@@ -0,0 +1,29 @@
+package com.example.tampopo_client.models;
+
+public class ChatMessage {
+    private String senderId;  // メッセージ送信者のID
+    private String content;   // メッセージ本文
+
+    public ChatMessage() {}
+
+    public ChatMessage(String senderId, String content) {
+        this.senderId = senderId;
+        this.content = content;
+    }
+
+    public String getSenderId() {
+        return senderId;
+    }
+
+    public void setSenderId(String senderId) {
+        this.senderId = senderId;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+}