diff --git a/pkgs/liminix-tools/services/builder.sh b/pkgs/liminix-tools/services/builder.sh
index 47587c6..7a00b37 100644
--- a/pkgs/liminix-tools/services/builder.sh
+++ b/pkgs/liminix-tools/services/builder.sh
@@ -1,5 +1,15 @@
 source $stdenv/setup
 mkdir -p $out/${name}
+
+writepath(){
+    mkdir -p $(dirname $1)
+    echo $2 > $1
+}
+if test -n "$propertiesText"; then
+    mkdir $out/.properties
+    ( cd $out/.properties; eval "$propertiesText" )
+fi
+
 echo $serviceType > $out/${name}/type
 mkdir -p $out/${name}/dependencies.d
 echo $buildInputs > $out/buildInputs
diff --git a/pkgs/liminix-tools/services/default.nix b/pkgs/liminix-tools/services/default.nix
index 79b4a8f..6e11a32 100644
--- a/pkgs/liminix-tools/services/default.nix
+++ b/pkgs/liminix-tools/services/default.nix
@@ -8,6 +8,8 @@
 let
   prefix = "/run/services/outputs";
   output = service: name: "${prefix}/${service.name}/${name}";
+  inherit (lib.attrsets) mapAttrsRecursive collect;
+  inherit (lib.strings) concatStringsSep;
   serviceScript = commands: ''
     #!/bin/sh
     exec 2>&1
@@ -38,6 +40,7 @@ let
       buildInputs ? [ ],
       restart-on-upgrade ? false,
       controller ? null,
+      properties ? {}
     }:
     stdenvNoCC.mkDerivation {
       # we use stdenvNoCC to avoid generating derivations with names
@@ -56,7 +59,13 @@ let
         timeout-up
         timeout-down
         restart-on-upgrade
-        ;
+      ;
+      propertiesText =
+        let a = mapAttrsRecursive
+          (path: value: "writepath ${concatStringsSep "/" path} ${builtins.toString value}\n")
+          properties;
+        in collect builtins.isString a;
+
       buildInputs =
         buildInputs ++ dependencies ++ contents ++ lib.optional (controller != null) controller;
       inherit controller dependencies contents;