diff --git a/lib/Botly.js b/lib/Botly.js
index e534d45..92b43db 100644
--- a/lib/Botly.js
+++ b/lib/Botly.js
@@ -11,6 +11,7 @@ const BUTTON_TYPE = {
     POSTBACK: 'postback',
     WEB_URL: 'web_url',
     ACCOUNT_LINK: 'account_link',
+    ACCOUNT_UNLINK: 'account_unlink',
     SHARE: 'element_share',
     CALL: 'phone_number'
 };
@@ -379,6 +380,12 @@ Botly.prototype.createAccountLinkButton = function (url) {
     };
 };
 
+Botly.prototype.createAccountUnLinkButton = function () {
+    return {
+        type: BUTTON_TYPE.ACCOUNT_UNLINK,
+    };
+};
+
 Botly.prototype.createShareButton = function () {
     return {
         type: BUTTON_TYPE.SHARE,