diff --git a/js/mzta-chatgpt.js b/js/mzta-chatgpt.js
index b535e2e2..008a7355 100644
--- a/js/mzta-chatgpt.js
+++ b/js/mzta-chatgpt.js
@@ -107,15 +107,16 @@ function addCustomDiv(prompt_action,tabId) {
             break;
         case 1:     // do reply
             pulsante.innerHTML = browser.i18n.getMessage("chatgpt_win_get_answer");
-            pulsante.onclick = async function() {  // TODO
+            pulsante.onclick = async function() {
                 const response = await chatgpt_getFromDOM('last');
+                browser.runtime.sendMessage({command: "chatgpt_replyMessage", text: response, tabId: tabId});
                 //console.log(response);
                 browser.runtime.sendMessage({command: "chatgpt_close"});
             };
             break;
         case 2:     // replace text
             pulsante.innerHTML = browser.i18n.getMessage("chatgpt_win_get_answer");
-            pulsante.onclick = async function() {  // TODO
+            pulsante.onclick = async function() {
                 const response = await chatgpt_getFromDOM('last');
                 //console.log('replace text: '+tabId)
                 browser.runtime.sendMessage({command: "chatgpt_replaceSelectedText", text: response, tabId: tabId});
diff --git a/mzta-background.js b/mzta-background.js
index 85ed4f96..733065e1 100644
--- a/mzta-background.js
+++ b/mzta-background.js
@@ -44,6 +44,14 @@ messenger.runtime.onMessage.addListener((message, sender, sendResponse) => {
                     //console.log('chatgpt_replaceSelectedText: [' + message.tabId +'] ' + message.text)
                     browser.tabs.sendMessage(message.tabId, { command: "replaceSelectedText", text: message.text });
                     return true;
+            case 'chatgpt_replyMessage':
+                browser.messageDisplay.getDisplayedMessage(message.tabId).then((mailMessage) => {
+                    browser.compose.beginReply(mailMessage.id, {
+                        type: "reply",
+                        body: message.text
+                    })
+                });
+                break;
             default:
                 break;
         }