It’s potentially possible to write your own workflow for ServiceDesk Plus using external scripts to interact with the ServiceDesk Plus API. There are various scripting languages we could use but, for simplicity, I’m going to use Microsoft PowerShell. PowerShell is widely recognised and should be readily available on Windows servers running ServiceDesk Plus.
Right-click ‘Windows PowerShell’ and choose the ‘Run as administrator’ option to bring up the PowerShell command line. Then enter the command ‘set-executionpolicy unrestricted’; you will be asked to accept the policy change by typing ‘Y’ as shown below:
You can always use a basic text editor to generate a PowerShell script but running the Windows PowerShell Integrated Scripting Environment (ISE) can be very useful as it provides a means to easily write, test and debug PowerShell scripts:
So how do we make an API call to ServiceDesk Plus via a script? If you copy the following code to a script pane in your PowerShell ISE you should be able to run the script with the ‘Play’ button and see the formatted output – note that you’ll have to replace the details of the TECHNICIAN_KEY and RequestID (as shown in red) with values relevant to your own ServiceDesk Plus system (for a reminder see Part 2):
# Powershell HTTP Request
$url =”http://localhost:8888/sdpapi/request/493?TECHNICIAN_KEY=F3DC7E96-56D5-4839-9071-F9A6371241F1&OPERATION_NAME=GET_REQUEST”
$result = (New-Object System.Net.WebClient).DownloadString(“$url”);
write-host $result
Thanks for sticking with it and next time we’ll step through a real example.
Enjoy!
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