Functions/User/Remove-PASGroupMember.ps1

function Remove-PASGroupMember {
    <#
.SYNOPSIS
Removes a vault user from a group

.DESCRIPTION
Removes an existing member from an existing group in the vault

.PARAMETER GroupID
The ID of the group

.PARAMETER Member
The name of the group member

.PARAMETER sessionToken
Hashtable containing the session token returned from New-PASSession

.PARAMETER WebSession
WebRequestSession object returned from New-PASSession

.PARAMETER BaseURI
PVWA Web Address
Do not include "/PasswordVault/"

.PARAMETER PVWAAppName
The name of the CyberArk PVWA Virtual Directory.
Defaults to PasswordVault

.PARAMETER ExternalVersion
The External CyberArk Version, returned automatically from the New-PASSession function from version 9.7 onwards.
If the minimum version requirement of this function is not satisfied, execution will be halted.
Omitting a value for this parameter, or supplying a version of "0.0" will skip the version check.

.EXAMPLE
$token | Remove-PASGroupMember -GroupID X1_Y2 -Member TargetUser

Removes TargetUser from group

.INPUTS
All parameters can be piped by property name

.OUTPUTS
None

.NOTES

.LINK

#>

    [CmdletBinding(SupportsShouldProcess)]
    param(
        [parameter(
            Mandatory = $true,
            ValueFromPipelinebyPropertyName = $true
        )]
        [Alias("ID")]
        [string]$GroupID,

        [parameter(
            Mandatory = $true,
            ValueFromPipelinebyPropertyName = $true
        )]
        [Alias("UserName")]
        [string]$Member,

        [parameter(
            Mandatory = $true,
            ValueFromPipelinebyPropertyName = $true
        )]
        [ValidateNotNullOrEmpty()]
        [hashtable]$sessionToken,

        [parameter(
            ValueFromPipelinebyPropertyName = $true
        )]
        [Microsoft.PowerShell.Commands.WebRequestSession]$WebSession,

        [parameter(
            Mandatory = $true,
            ValueFromPipelinebyPropertyName = $true
        )]
        [string]$BaseURI,

        [parameter(
            Mandatory = $false,
            ValueFromPipelinebyPropertyName = $true
        )]
        [string]$PVWAAppName = "PasswordVault",

        [parameter(
            Mandatory = $false,
            ValueFromPipelinebyPropertyName = $true
        )]
        [System.Version]$ExternalVersion = "0.0"

    )

    BEGIN {
        $MinimumVersion = [System.Version]"10.5"
    }#begin

    PROCESS {

        Assert-VersionRequirement -ExternalVersion $ExternalVersion -RequiredVersion $MinimumVersion

        #Create URL for request
        $URI = "$baseURI/$PVWAAppName/API/UserGroups/$GroupID/members/$Member"

        if($PSCmdlet.ShouldProcess($GroupID, "Remove Group Member $Member")) {

            #send request to web service
            Invoke-PASRestMethod -Uri $URI -Method DELETE -Headers $sessionToken -WebSession $WebSession

        }

    }#process

    END {}#end

}