Public/Policy/Configurations/Get-AdoPolicyConfiguration.ps1

function Get-AdoPolicyConfiguration {
    <#
    .SYNOPSIS
        Gets policy configurations for an Azure DevOps project.
 
    .DESCRIPTION
        This function retrieves policy configurations for an Azure DevOps project through REST API.
 
    .PARAMETER ProjectId
        Mandatory. The ID or name of the project.
 
    .PARAMETER PolicyType
        Mandatory. The type of policy to retrieve.
 
    .PARAMETER ApiVersion
        Optional. The API version to use. Default is '7.1'.
 
    .LINK
        https://learn.microsoft.com/en-us/rest/api/azure/devops/policy/configurations/get
 
    .EXAMPLE
        $configuration = Get-AdoPolicyConfiguration -ProjectId 'my-project-001' -PolicyType '00000000-0000-0000-0000-000000000000'
    #>

    [CmdletBinding()]
    [OutputType([String])]
    param (
        [Parameter(Mandatory)]
        [string]$ProjectId,

        [Parameter(Mandatory)]
        [string]$PolicyType,

        [Parameter(Mandatory = $false)]
        [Alias('api')]
        [ValidateSet('7.1', '7.2-preview.1')]
        [string]$ApiVersion = '7.1'
    )

    begin {
        Write-Debug ('Command : {0}' -f $MyInvocation.MyCommand.Name)
        Write-Debug (' ProjectId : {0}' -f $ProjectId)
        Write-Debug (' PolicyType : {0}' -f $PolicyType)
        Write-Debug (' ApiVersion : {0}' -f $ApiVersion)
    }

    process {
        try {
            $ErrorActionPreference = 'Stop'

            if (-not $global:AzDevOpsIsConnected) {
                throw 'Not connected to Azure DevOps. Please connect using Connect-AdoOrganization.'
            }

            $uriFormat = '{0}/{1}/_apis/policy/configurations?policyType={2}&api-version={3}'
            $azDevOpsUri = ($uriFormat -f [uri]::new($global:AzDevOpsOrganization), $ProjectId,
                [uri]::EscapeUriString($PolicyType), $ApiVersion)

            $params = @{
                Method  = 'GET'
                Uri     = $azDevOpsUri
                Headers = ((ConvertFrom-SecureString -SecureString $global:AzDevOpsHeaders -AsPlainText) | ConvertFrom-Json -AsHashtable)
            }

            $response = Invoke-RestMethod @params -Verbose:$VerbosePreference

            return $response

        } catch {
            throw $_
        }
    }

    end {
        Write-Debug ('Exit : {0}' -f $MyInvocation.MyCommand.Name)
    }
}