External applications are not a part of Operations Sentinel. They are created and written by you, to suit the needs of your site.
To assist you in creating an external application, you can use the following resources:
The list of environment variables described in this help.
The external application samples described in this help.
The sample external applications already included in Operations Sentinel Console and in the data-folder\extapp-scripts folder on the Operations Sentinel server.
Unisys Operations Sentinel Technology Consulting Services personnel, who can create external applications for you. Contact your local Unisys representative for more information.