public/Start-RemoteProxySession.ps1

function Start-RemoteProxySession
{
    [CmdletBinding(PositionalBinding = $true)]
    param(
        [Parameter(Mandatory = $false)]
        [string] $ProfileName,

        [Parameter(Mandatory = $false)]
        [ValidateSet('af-south-1', 'ap-east-1', 'ap-northeast-1', 'ap-northeast-2', 'ap-northeast-3', 'ap-south-1', 'ap-south-2', 'ap-southeast-1', 'ap-southeast-2', 'ap-southeast-3', 'ap-southeast-4', 'ca-central-1', 'ca-west-1', 'eu-central-1', 'eu-central-2', 'eu-north-1', 'eu-south-1', 'eu-south-2', 'eu-west-1', 'eu-west-2', 'eu-west-3', 'il-central-1', 'me-central-1', 'me-south-1', 'sa-east-1', 'us-east-1', 'us-east-2', 'us-gov-east-1', 'us-gov-west-1', 'us-west-1', 'us-west-2')]
        [string] $Region
    )

    Start-RemoteProxySessionInternal -ProfileName $ProfileName -Region $Region
}