A. In PowerShell, you can run

 help about_functions_advanced

to learn more about what some folks call "script cmdlets," which use the CmdletBinding() attribute. Essentially, this attribute tells the shell to attach various attributes to the parameters of a function, such as making the parameter mandatory, tagging it for pipeline parameter binding, or specifying various input validation rules for the parameter's values. By using CmdletBinding() in your function, you can also declare support for the -whatif and -confirm switches, among other capabilities.

 

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