Public/Invoke-PaApiConfig.ps1

function Invoke-PaApiConfig {
    <#
    .SYNOPSIS
        Invokes a Palo Alto Config Api.
        
    .DESCRIPTION
        Invokes a Palo Alto Config Api.

    .EXAMPLE
        Invoke-PaApiConfig -Action "get" -XPath "/config/devices/entry[@name='localhost.localdomain']/network/interface"

        Returns interface configuration for the currently connected Palo Alto Device.
    .PARAMETER Action
        Action to use for the Api Config Call (get, set, rename currently supported)

    .PARAMETER XPath
        XPath of desired configuration.
    #>

    [CmdletBinding(DefaultParameterSetName = 'get')]

    Param (
        # get parameters
        [Parameter(ParameterSetName="get",Mandatory=$True,Position=0)]
        [switch]$Get,

        # edit parameters
        [Parameter(ParameterSetName="edit",Mandatory=$True,Position=0)]
        [switch]$Edit,
        
        # set parameters
        [Parameter(ParameterSetName="set",Mandatory=$True,Position=0)]
        [switch]$Set,

        [Parameter(ParameterSetName="set",Mandatory=$True,Position=1)]
        [Parameter(ParameterSetName="edit",Mandatory=$True,Position=1)]
        [string]$Element,

        # all parametersets
        [Parameter(Mandatory=$True,Position=1)]
        [string]$XPath
    )

    BEGIN {
        $VerbosePrefix = "Invoke-PaApiConfig:"
    }

    PROCESS {
        switch ($PsCmdlet.ParameterSetName) {
            'get' {
                $Global:PaDeviceObject.invokeConfigQuery('get',$Xpath)
            }
            'set' {
                $Global:PaDeviceObject.invokeConfigQuery('set',$Xpath,$Element)
            }
            'edit' {
                $Global:PaDeviceObject.invokeConfigQuery('edit',$Xpath,$Element)
            }
        }
        
    }
}