diff --git a/flake.nix b/flake.nix
index 0545c43..b4ebe7e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -35,20 +35,59 @@
       in {
         options.services.calDavToCsv = {
           enable = lib.mkEnableOption "calDavToCsv";
-
-          config = lib.mkOption {
-            type = lib.types.attrs;
-            calDavToCsv = {
-              calDAV = {
-                address = "localhost:5232";
-                username = "username";
-                password = "password";
-                passwordFile = "/path/to/password";
+          settings = lib.mkOption {
+            description = ''
+              Your config as an attribute set
+            '';
+            default = { };
+            #TODO: provide example
+            example = ''
+              {
+              }
+            '';
+            type = lib.types.submodule {
+              freeformType = lib.format.type;
+              caldav = {
+                address = lib.mkOption {
+                  type = lib.types.str;
+                  default = "tcp://:5232/";
+                  example =
+                    "unix:///var/run/authelia.sock?path=authelia&umask=0117";
+                  description = "Address of the caldav calendar";
+                };
+                username = lib.mkOption {
+                  type = lib.types.str;
+                  example = "John-doe";
+                  description = "Username of the caldav calendar";
+                };
+                password = lib.mkOption {
+                  type = lib.types.str;
+                  example = "unsafe-password";
+                  description =
+                    "Password of the caldav calendar, NOT RECOMMENDED, use passwordFile instead !";
+                };
+                passwordFile = lib.mkOption {
+                  type = lib.types.str;
+                  example = "/var/lib/calDavToCsv/caldavPassword";
+                  description =
+                    "Password of the caldav calendar, NOT RECOMMENDED, use passwordFile instead !";
+                };
               };
-              server = { port = 8000; };
             };
-            description = "User-defined configuration for the service";
           };
+          # config = lib.mkOption {
+          #   type = lib.types.attrs;
+          #   calDavToCsv = {
+          #     calDAV = {
+          #       address = "localhost:5232";
+          #       username = "username";
+          #       password = "password";
+          #       passwordFile = "/path/to/password";
+          #     };
+          #     server = { port = 8000; };
+          #   };
+          #   description = "User-defined configuration for the service";
+          # };
         };
         # options.NixosModule = {
         #   enable = lib.mkEnableOption "Enable calDAVtoCSV service";