SailPoint IdentityNow - Retrieve 10k+ results from IDN API.

IdentityNow-ElasticSearch

#region IDN functions
function IdentitiesSearchAfter($token, $query, $searchAfterID, $limit, $IDNdisplayNameSearch)
{
    #region IDN Search Queries
        $identitySearchqry        = "{`"query`": {`"query`": `"source.name:HR`")`"},`"indicies`": [`"identities`"],`"queryResultFilter`": {`"includes`": [`"attributes.uid`",`"attributes.displayName`",`"attributes.identificationNumber`",`"id`",`"status`",`"isManager`"]},`"sort`": [`"+id`"],`"includeNested`": false,`"searchAfter`": [`"$($searchAfterID)`"]}"
        #eventSearchQry - have multiple queries that can be used, reuse the same logic to fetch 10k+ results 
    #endregion IDN Search Queries

    $body = switch ($query) 
    {
        "identitySearch"        { $identitySearchqry }
        # "eventSearch" { $eventSearchQry } - other queries
        Default {return "#switch-invalid query"}
    }

    $headers = New-Object "System.Collections.Generic.Dictionary[[String],[String]]"
    $headers.Add("Content-Type", "application/json")
    $headers.Add("Authorization", "Bearer $($IDNToken)")
    
    try   { $response = Invoke-RestMethod "https://tenant.api.identitynow.com/v3/search?count=true&offset=0&limit=$($limit)" -Method 'POST' -Headers $headers -Body $body -ResponseHeadersVariable 'searchAfter_ResponseHeader' }
    catch { Write-Error "Exception:" $_.Exception }
    
    return $searchAfter_ResponseHeader, $response
}
#endregion IDN functions

#region IdentitiesSearch
    $queryTypes = @("identitySearchqry" <#,"eventSearchQry"#>)
    $searchAfterID = $null
    $IdentitiesSearchAfter_Header = $null
    $IdentitiesSearchAfter_Result = @()
    $IdentitiesSearchAfter_Resulttemp = $null

    foreach($queryType in $queryTypes)
    {
        #Search & Get Count of records
        $IdentitiesSearchAfter_Header, $IdentitiesSearchAfter_Resulttemp = IdentitiesSearchAfter -token $IDNToken -query $queryType -searchAfterID $searchAfterID -limit 1

        #if length >= totalcount : stop
        $verbose=$true; if($verbose) {Write-Host ">>>Initialize-1/3 IdentitiesSearch | $($queryType) | Total-Count: $([int]$IdentitiesSearchAfter_Header.("X-Total-Count")[0]) | Array Size: $($IdentitiesSearchAfter_Result.Length) | searchAfterID:$($searchAfterID)_"}
        do{   
            $verbose=$true; if($verbose) {Write-Host ">AggregateFromIDN-2/3 | $($queryType) | Total-Count: $([int]$IdentitiesSearchAfter_Header.("X-Total-Count")[0]) | Array Size: $($IdentitiesSearchAfter_Result.Length) | searchAfterID:$($searchAfterID)"}
            $IdentitiesSearchAfter_Header, $IdentitiesSearchAfter_Resulttemp = IdentitiesSearchAfter -token $IDNToken -query $queryType -searchAfterID $searchAfterID -limit 250
            $IdentitiesSearchAfter_Result += $IdentitiesSearchAfter_Resulttemp
            $searchAfterID = $IdentitiesSearchAfter_Resulttemp[$IdentitiesSearchAfter_Resulttemp.length - 1].id
            $IdentitiesSearchAfter_Resulttemp = $null
            # $IdentitiesSearchAfter_Resulttemp[$IdentitiesSearchAfter_Resulttemp.length - 1].id
        }
        while($([int]$IdentitiesSearchAfter_Result.Length) -lt $([int]$IdentitiesSearchAfter_Header.("X-Total-Count")[0]) )
        Write-Host ">>>Complete-3/3 IdentitiesSearch | $($queryType) | Total-Count: $([int]$IdentitiesSearchAfter_Header.("X-Total-Count")[0]) | Array Size: $($IdentitiesSearchAfter_Result.Length) | searchAfterID:$($searchAfterID)"
    }

    #do something with:
    $IdentitiesSearchAfter_Result
#endregion IdentitiesSearch