How to use custom UserAgent with Invoke-WebRequest on Powershell? [New Question]

See the new question, answered, on Heelpbook, titled:

How to use custom UserAgent with Invoke-WebRequest on Powershell?

Summary
Article Name
How to user custom UserAgent with Invoke-WebRequest on Powershell?
Description
A quick question, answered on Heelpbook, about "How to user custom UserAgent with Invoke-WebRequest on Powershell?", sometime useful while testing some code interacting with websites using Powershell code.
Author
Publisher Name
Heelpbook.net