Special Parameter Types: [switch], [PSCustomObject], [PSCredential], [ScriptBlock] are key types used in PowerShell functions.
Using [switch]: Boolean flag for optional behavior without needing a value, commonly used in functions.
Usage of [PSCustomObject]: Flexible structured object in PowerShell for configuration data storage and structured output.
Conclusion on PowerShell Function Anatomy: Attributes enhance functionality, [ValueFromPipeline] for pipeline support, and efficient processing using '$_' variable.