Functions/Accounts/Remove-PASAccount.ps1

# .ExternalHelp psPAS-help.xml
function Remove-PASAccount {
    [System.Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSReviewUnusedParameter', 'UseGen1API', Justification = 'False Positive')]
    [CmdletBinding(SupportsShouldProcess)]
    param(
        [parameter(
            Mandatory = $true,
            ValueFromPipelinebyPropertyName = $true
        )]
        [ValidateNotNullOrEmpty()]
        [Alias('id')]
        [string]$AccountID,

        [parameter(
            Mandatory = $false,
            ValueFromPipelinebyPropertyName = $false,
            ParameterSetName = 'Gen1'
        )]
        [Alias('UseClassicAPI')]
        [switch]$UseGen1API
    )

    BEGIN {
        #check minimum version
        Assert-VersionRequirement -RequiredVersion 10.4
    }#begin

    PROCESS {

        switch ($PSCmdlet.ParameterSetName) {

            'Gen1' {

                #Create URL for request (earlier than 10.4)
                $URI = "$($psPASSession.BaseURI)/WebServices/PIMServices.svc/Accounts/$AccountID"
                break

            }

            default {

                #Create URL for request (Version 10.4 onwards)
                $URI = "$($psPASSession.BaseURI)/api/Accounts/$AccountID"

            }

        }

        if ($PSCmdlet.ShouldProcess($AccountID, 'Delete Account')) {

            #Send request to webservice
            Invoke-PASRestMethod -Uri $URI -Method DELETE

        }

    }#process

    END { }#end

}