1 files changed, 8 insertions, 0 deletions
diff --git a/alot/mail/envelope.py b/alot/mail/envelope.py
index db907340..c4ac291b 100644
--- a/alot/mail/envelope.py
+++ b/alot/mail/envelope.py
@@ -208,6 +208,14 @@ class Envelope:
             self.modified_since_sent = True
 
     def attach_file(self, path, filename = None):
+        """
+        Attach a file at a given path.
+
+        :param path path to the file to attach
+        :type path str
+        :param filename filename to write into attachment properties
+        :type filename str or None
+        """
         with open(path, 'rb') as f:
             data = f.read()