Sambardo

Function MyFunction
{
    [cmdletbinding(DefaultParameterSetName="ProcessSet")]
    
    param([parameter(Mandatory,ParameterSetName="ServiceSet")]$service,
          [parameter(Mandatory,ParameterSetName="ProcessSet")]$Process,
          $Test)

          switch($PSCmdlet.ParameterSetName)
          {

Sambardo

Function MyFunction
{
    [cmdletbinding()]
    
    param([parameter(Mandatory,ParameterSetName="ServiceSet")]$service,
          [parameter(Mandatory,ParameterSetName="ProcessSet")]$Process,
          $Test)

          switch($PSCmdlet.ParameterSetName)
          {

Sambardo

Function MyFunction
{
    [cmdletbinding()]
    
    param([parameter(Mandatory,ParameterSetName="ServiceSet")]$service,
          [parameter(Mandatory,ParameterSetName="ProcessSet")]$Process,
          $Test)
          Write-host "Service: $service" -ForegroundColor Green
          Write-host "Process: $process" -ForegroundColor Yellow
          Write-host "test: $test" -ForegroundColor Magenta

Sambardo

Function MyFunction
{
    [cmdletbinding(SupportsShouldProcess,
                   ConfirmImpact = "high")]
    
    param($service)
    if($PSCmdlet.ShouldProcess($service,"Fetch service"))
    {
        get-service -name $service
    }

Sambardo

Function MyFunction
{
    [cmdletbinding(SupportsShouldProcess,
                   ConfirmImpact = "high")]
    
    param($service)
    if($PSCmdlet.ShouldProcess($service,"Fetch service"))
    {
        get-service -name $service
    }

Sambardo

Function MyFunction
{
    [cmdletbinding(SupportsShouldProcess)]
    param($service)
    if($PSCmdlet.ShouldProcess($service,"Fetch service"))
    {
        get-service -name $service
    }
}
write-host "calling normally" -ForegroundColor Yellow

Sambardo

Function MyFunction
{
    [cmdletbinding(SupportsShouldProcess)]
    param()
    Write-host "some host message" -ForegroundColor Green
}

MyFunction -WhatIf
MyFunction -Confirm

Sambardo

Function MyFunction
{
    [cmdletbinding()]
    param()
    Write-error "Some custom error message"
    Write-host "some host message" -ForegroundColor Green
    get-process FAKE
}

write-host "running normally" -ForegroundColor Yellow

Sambardo

Function MyFunction
{
    [cmdletbinding()]
    param()
    Write-verbose "Some verbose message"
    Write-host "some host message" -ForegroundColor Green
}

write-host "running normally" -ForegroundColor Yellow
MyFunction

Sambardo

Function MyFunction
{
    [cmdletbinding()]
    param()

}