Checks/Azure/Test-AppFunctionLatestRuntimeVersion.ps1

function Test-AppFunctionLatestRuntimeVersion {
    <#
    .SYNOPSIS
        Function app uses the latest supported runtime version (~4)

    .DESCRIPTION
        **Azure Function apps** are assessed for the **runtime version** set via `FUNCTIONS_EXTENSION_VERSION`. The finding identifies apps not configured to use the current supported major version `~4`.

    .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_latest_runtime_version

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