diff --git a/messagetools.py b/messagetools.py
index d3c014b..e407317 100644
--- a/messagetools.py
+++ b/messagetools.py
@@ -6,7 +6,21 @@ class UnsupportedStruct(Exception):
         super().__init__(self.message)
 
 def make_icinga_message(struct):
-    pass
+
+    first_line  = "{state} - {service} ({host})".format(state=struct.get("state"),
+                    service=struct.get("service_name"), host=struct.get("service_host"))
+    second_line = struct.get("service_output") or ""
+    third_line  = "Direkt-Link: {link}".format(link=struct.get("icingaeweb_url"))
+
+    if not struct.get("owners") and not struct.get("owner-groups"):
+        fourth_line = "Notification to: admins (default)"
+    else:
+        owners = struct.get("owners") or []
+        groups = struct.get("owner-groups") or []
+        groups_strings = [ g + "-group" for g in groups ]
+        fourth_line = "Notification to: " + ", ".join(owners) + " " + ", ".join(groups_strings)
+
+    return "\n".join([first_line, second_line, third_line, fourth_line])
 
 def make_generic_message(struct):
     pass