Action Description - Descriptive text that can be used to identify this particular action in the Actions list.
Service name to check – The name of the service. This can be viewed in the Service Properties view.
Shared property to read into – The name (or key) of the Shared Property that will hold the results of the check. The Shared Property will hold a string of value “True” if the service exists, or “False” if the service does not exist.