Checks/Azure/Test-AppFunctionNotPubliclyAccessible.ps1

function Test-AppFunctionNotPubliclyAccessible {
    <#
    .SYNOPSIS
        Function app is not publicly accessible

    .DESCRIPTION
        **Azure Function apps** are assessed for whether they are reachable from the public Internet. The evaluation considers the app's `publicNetworkAccess` state and the presence of access restrictions or private endpoints to limit inbound traffic.

    .PARAMETER Check
        CIEMCheck object containing check metadata.
    #>

    [CmdletBinding()]
    [OutputType([PSCustomObject[]])]
    param(
        [Parameter(Mandatory)]
        [CIEMCheck]$Check
    )

    $ErrorActionPreference = 'Stop'

    # TODO: Implement check logic based on Prowler check: app_function_not_publicly_accessible

    [CIEMScanResult]::Create($Check, 'MANUAL', 'This check requires manual implementation. See Prowler check app_function_not_publicly_accessible for reference.', 'N/A', 'app Resources')
}