diff --git a/fbmessenger/__init__.py b/fbmessenger/__init__.py
index eb8adec..216ce24 100644
--- a/fbmessenger/__init__.py
+++ b/fbmessenger/__init__.py
@@ -13,7 +13,6 @@
 
 DEFAULT_API_VERSION = 2.12
 
-
 class MessengerClient(object):
 
     # https://developers.facebook.com/docs/messenger-platform/send-messages#messaging_types
@@ -79,6 +78,7 @@ def get_user_data(self, recipient_id, fields=None, timeout=None):
 
     def send(self, payload, recipient_id, messaging_type='RESPONSE', notification_type='REGULAR',
              timeout=None, tag=None):
+
         if messaging_type not in self.MESSAGING_TYPES:
             raise ValueError('`{}` is not a valid `messaging_type`'.format(messaging_type))
 
diff --git a/fbmessenger/elements.py b/fbmessenger/elements.py
index e9202bc..d9952b0 100644
--- a/fbmessenger/elements.py
+++ b/fbmessenger/elements.py
@@ -64,7 +64,7 @@ class Button(object):
     ]
 
     def __init__(self, button_type, title=None, url=None,
-                 payload=None, webview_height_ratio=None,
+                 payload=None, webview_height_ratio=None, webview_share_button=None,
                  messenger_extensions=None, fallback_url=None,
                  share_contents=None):
 
@@ -75,12 +75,15 @@ def __init__(self, button_type, title=None, url=None,
         if title and len(title) > 20:
             logger.warning(CHARACTER_LIMIT_MESSAGE.format(field='Title',
                                                           maxsize=20))
+        if button_type != 'web_url' and webview_share_button is not None:
+            raise ValueError('`webview_share_button` is only valid for button type `web_url`')
 
         self.button_type = button_type
         self.title = title
         self.url = url
         self.payload = payload
         self.webview_height_ratio = webview_height_ratio
+        self.webview_share_button = webview_share_button
         self.messenger_extensions = messenger_extensions
         self.fallback_url = fallback_url
         self.share_contents = share_contents
@@ -101,6 +104,8 @@ def to_dict(self):
                 d['webview_height_ratio'] = self.webview_height_ratio
             if self.messenger_extensions:
                 d['messenger_extensions'] = 'true'
+            if self.webview_share_button is False:
+                d['webview_share_button'] = 'hide'
             if self.fallback_url:
                 d['fallback_url'] = self.fallback_url
         if self.button_type == 'element_share':
diff --git a/requirements.txt b/requirements.txt
index bc0a318..dc4b230 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,3 +30,6 @@ tqdm==4.23.4
 twine==1.11.0
 urllib3==1.23
 wrapt==1.10.11
+profanity-filter==1.3.3
+spacy==2.3.2
+https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-2.3.1/en_core_web_sm-2.3.1.tar.gz#egg=en_core_web_sm
\ No newline at end of file