add LOG command to external commands list

documentation/developer/externalcommands/index.md

@@ -141,6 +141,7 @@ Filter by Category: <select onchange="_update_cmd_filter(this.value)">
 <h5 class='commands service'><a href='enable_svc_event_handler.html'>ENABLE_SVC_EVENT_HANDLER</a></h5>
 <h5 class='commands service'><a href='enable_svc_flap_detection.html'>ENABLE_SVC_FLAP_DETECTION</a></h5>
 <h5 class='commands notification service'><a href='enable_svc_notifications.html'>ENABLE_SVC_NOTIFICATIONS</a></h5>
+<h5 class='commands process'><a href='log.html'>LOG</a></h5>
 <h5 class='commands process'><a href='process_file.html'>PROCESS_FILE</a></h5>
 <h5 class='commands host'><a href='process_host_check_result.html'>PROCESS_HOST_CHECK_RESULT</a></h5>
 <h5 class='commands service'><a href='process_service_check_result.html'>PROCESS_SERVICE_CHECK_RESULT</a></h5>

documentation/developer/externalcommands/log.md

@@ -0,0 +1,34 @@
+---
+layout: default
+title: External Command Reference
+---
+
+<!--
+************************************************
+* AUTO GENERATED PAGE - USE ./update SCRIPT
+************************************************
+-->
+
+<span class="glyphicon glyphicon-arrow-up"></span><a href="index.html"> External Commands Reference</a> - LOG<br>
+
+
+#### Command Format:
+
+`LOG;any text`
+
+#### Description:
+
+Adds custom entry to the default log file.
+
+#### Shell Script Usage Example:
+
+```sh
+#!/bin/sh
+# This is a sample shell script showing how you can submit the LOG command
+# to Naemon. Adjust variables to fit your environment as necessary.
+
+printf "[%lu] LOG;SERVICE NOTE: testhost;event handler restarted service successfully\n" `date +%s` > /var/lib/naemon/naemon.cmd
+```
+
+
+