Technical requirements
In addition to PowerShell and PowerShell Core, you'll need Visual Studio 2019 Community Edition or better to follow the SOAP service example.
SOAP interfaces typically use the New-WebServiceProxy
command in Windows PowerShell. This command is not available in PowerShell 7 as the assembly it depends on is not available. The command is unlikely to be available in PowerShell Core unless it is rewritten.
Web requests, such as getting content from a website or downloading files, are a common activity in PowerShell, and this is the first topic we'll cover.