connectionParams.ps1

    [Parameter(Mandatory, HelpMessage = 'Provide Cluster Name',
    ValueFromPipeline, ValueFromPipelineByPropertyName)]
    [ValidateNotNullOrEmpty()]
    [System.String]
    $Cluster,
  
    [Parameter(Mandatory = $false, HelpMessage = 'Provide Credentials for Cluster',
    ValueFromPipeline, ValueFromPipelineByPropertyName)]
    [System.Management.Automation.PSCredential]
    $Credential,

#region PSSession parameters
$connectionParams = @{
  ComputerName = $Cluster
}
if ($PSBoundParameters.ContainsKey('Credential')) {
  $connectionParams.Credential = $Credential
  Write-Verbose -Message "Processing with provided credentials {$($Credential.UserName)}"
}
else {
  Write-Verbose -Message "Processing with default credentials of user {$($env:USERNAME)}"
}
$ClusterSession = New-PSSession @connectionParams -ErrorAction Stop