Checks/Aws/Test-VpcSubnetDifferentAz.ps1

function Test-VpcSubnetDifferentAz {
    <#
    .SYNOPSIS
        VPC has subnets in more than one Availability Zone

    .DESCRIPTION
        **VPCs** are assessed for **subnets spread across multiple Availability Zones**. The finding distinguishes VPCs with subnets confined to a single AZ or with no subnets from those with subnets in `2+` distinct AZs.

    .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: vpc_subnet_different_az

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