1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Data/MultiValued/TagContainer.pm b/lib/Data/MultiValued/TagContainer.pm
index b7a9b13..bdeca24 100644
--- a/lib/Data/MultiValued/TagContainer.pm
+++ b/lib/Data/MultiValued/TagContainer.pm
@@ -35,6 +35,7 @@ has _storage => (
         _get_tag => 'get',
         _create_tag => 'set',
         _delete_tag => 'delete',
+        all_tags => 'keys',
     },
 );
 
@@ -150,6 +151,13 @@ sub clear {
     return;
 }
 
+=head2 C<all_tags>
+
+  my @tags = $obj->all_tags;
+
+Returns all the tags defined in this object. Does not return the
+C<undef> tag.
+
 =head2 C<_create_new_inferior>
 
 Returns a new "storage cell", by default an empty hashref. See