An easy way to retrieve all the IDs of work item queries in a given Azure DevOps project

getworkitemqueryids.ps1

<# Azure DevOps REST API #>
$url = 'https://dev.azure.com/{organization_name}/{project_name}/_apis/wit/queries?$expand=all&$depth=2&$includeDeleted=false&api-version=7.1-preview.2'

$Token = '{Azure DevOps PAT}'

if ($Token -eq "") {
    Write-Host 'PAT not set'
    exit 1
}
$AzureAuthHeader = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("{0}:{1}" -f "", $Token)))

$headers = New-Object "System.Collections.Generic.Dictionary[[String],[String]]"
$headers.Add("Authorization", ("Basic {0}" -f $AzureAuthHeader))
$headers.Add("Content-Type", "application/json")

$response = Invoke-RestMethod -Uri $url -Method GET -Headers $headers

$Items = $response.value

foreach ($Item in $Items) {
    Write-Host "Parent Item" + $Item.name

    $childItems = $Item.children
    foreach ($child in $childItems) {
        Write-Host $child.name
        Write-Host $child.id
        if ($child.hasChildren -eq "True") {
            foreach ($secondchild in $child.children) {
                Write-Host $secondchild.name
                Write-Host $secondchild.id
                Write-Host `r`n
            }
        }
    }
}