diff --git a/examples/dev.json b/examples/dev.json
index 9ee329a..29c7f25 100644
--- a/examples/dev.json
+++ b/examples/dev.json
@@ -5,9 +5,15 @@
             "tasks": [
                  {
                     "class": "storage/mongodb",
-                    "type": "ok",
+                    "type": [ "ok", "warning", "error" ],
                     "args": { "database" : "linspector" }
                 },
+                {
+                    "class": "storage/logger",
+                    "type": [ "ok", "warning", "error" ],
+                    "args": { "directory": "/tmp/",
+                            "file": "data.log" }
+                },
                 {
                     "class": "alert/mail",
                     "type": "error",