diff --git a/gen/youtube3/src/lib.rs b/gen/youtube3/src/lib.rs
index 354dffe352f..4193672655b 100644
--- a/gen/youtube3/src/lib.rs
+++ b/gen/youtube3/src/lib.rs
@@ -5035,7 +5035,7 @@ impl ResponseResult for PageInfo {}
 /// 
 /// This type is not used in any activity, and only used as *part* of another schema.
 /// 
-#[derive(Default, Clone)]
+#[derive(Default, Clone, RustcEncodable, RustcDecodable)]
 pub struct ChannelContentDetailsRelatedPlaylists {
     /// The ID of the playlist that contains the channel"s uploaded videos. Use the  videos.insert method to upload new videos and the videos.delete method to delete previously uploaded videos.    
     pub uploads: Option<String>,
@@ -5051,7 +5051,25 @@ pub struct ChannelContentDetailsRelatedPlaylists {
 
 impl NestedType for ChannelContentDetailsRelatedPlaylists {}
 impl Part for ChannelContentDetailsRelatedPlaylists {}
+impl RequestValue for ChannelContentDetailsRelatedPlaylists {}
+impl ResponseResult for ChannelContentDetailsRelatedPlaylists {}
+impl cmn::Resource for ChannelContentDetailsRelatedPlaylists {}
 
+impl ChannelContentDetailsRelatedPlaylists {
+    /// Return a comma separated list of members that are currently set, i.e. for which `self.member.is_some()`.
+    /// The produced string is suitable for use as a parts list that indicates the parts you are sending, and/or
+    /// the parts you want to see in the server response.
+    fn to_parts(&self) -> String {
+        let mut r = String::new();
+        if self.uploads.is_some() { r = r + "uploads,"; }
+        if self.watch_history.is_some() { r = r + "watchHistory,"; }
+        if self.likes.is_some() { r = r + "likes,"; }
+        if self.favorites.is_some() { r = r + "favorites,"; }
+        if self.watch_later.is_some() { r = r + "watchLater,"; }
+        r.pop();
+        r
+    }
+}
 
 
 // ###################
diff --git a/src/mako/lib/util.py b/src/mako/lib/util.py
index 0ea2a9c0539..b4e92cfec6e 100644
--- a/src/mako/lib/util.py
+++ b/src/mako/lib/util.py
@@ -367,7 +367,7 @@ def schema_markers(s, c):
         used_by.extend(oid.used_by)
         used_by.extend(oid.parents)
     # end gather usages
-    
+
     for sid in ids:
         activities = c.sta_map.get(sid, dict())
         if len(activities) == 0:
@@ -616,12 +616,23 @@ def link_used(s, rs):
                 if rs.id not in l:
                     l.append(rs.id)
 
+        def append_unique(l, s):
+            if s not in l:
+                l.append(s)
+            return l
+
         all_schemas = deepcopy(schemas)
         def recurse_properties(prefix, rs, s, parent_ids):
             assure_list(s, USED_BY)
             assure_list(s, PARENT).extend(parent_ids)
             link_used(s, rs)
 
+            if is_nested_type_property(s) and 'id' not in s:
+                s.id = prefix
+                all_schemas[s.id] = s
+                rs = s
+            # end this is already a perfectly valid type
+
             properties = s.get('properties', {rs.id: s})
             for pn, p in properties.iteritems():
                 link_used(p, rs)
@@ -634,13 +645,12 @@ def recurse_properties(prefix, rs, s, parent_ids):
                     if 'items' in p:
                         ns.update((k, deepcopy(v)) for k, v in p.items.iteritems())
 
-                    recurse_properties(prefix + canonical_type_name(pn), ns, ns, parent_ids + [rs.id])
+                    recurse_properties(nested_type_name(prefix, pn), ns, ns, append_unique(parent_ids, rs.id))
                 elif _is_map_prop(p):
-                    # TODO: does this code run ? Why is there a plain prefix
-                    recurse_properties(prefix + canonical_type_name(pn), rs, p.additionalProperties, parent_ids + [])
+                    recurse_properties(nested_type_name(prefix, pn), rs, p.additionalProperties, append_unique(parent_ids, rs.id))
                 elif 'items' in p:
                     # it's an array
-                    recurse_properties(prefix + canonical_type_name(pn), rs, p.items, parent_ids + [])
+                    recurse_properties(nested_type_name(prefix, pn), rs, p.items, append_unique(parent_ids, rs.id))
                 # end handle prop itself
             # end for each property
         # end utility