1 files changed, 3 insertions, 0 deletions
diff --git a/4lib/krebs/types.nix b/4lib/krebs/types.nix
index ca92c6900..3d3d75a65 100644
--- a/4lib/krebs/types.nix
+++ b/4lib/krebs/types.nix
@@ -83,6 +83,9 @@ types // rec {
 
   user = submodule {
     options = {
+      mail = mkOption {
+        type = str; # TODO retiolum mail address
+      };
       name = mkOption {
         type = str; # TODO
       };