Public/Get-IAMCoreSyncCoreObject.ps1

function Get-IAMCoreSyncCoreObject {
    [CmdletBinding(DefaultParameterSetName = "Default")]
    param (
        [Parameter(Mandatory = $true)]
        [ValidateSet("CoreIdentity", "CoreOrgUnit", "CoreRelationship")]
        [String] $ObjectType,

        [Parameter(Mandatory = $false)]
        [int] $PageSize = 10000
    )

    if (-not $Script:APIRoot -or -not $Script:AccessTokenProfile) {
        throw "Not connected to IAM Core. Please run Connect-IAMCore first."
    }

    $Uri = "$Script:APIRoot/sync/coreobjects/"

    switch ($ObjectType) {
        "CoreIdentity" { $Uri += "identities" }
        "CoreOrgUnit" { $Uri += "orgunits" }
        "CoreRelationship" { $Uri += "relationships" }
    }

    $CurrentUri = "$($Uri)?pageSize=$($PageSize)"
    while ($CurrentUri) {
        $Result = Invoke-RestMethod -Uri $CurrentUri -Headers (Get-IAMCoreHeader)
        $CurrentUri = $null

        if ($Result.IsSuccess) {
            $Result.Data
            
            if($Result.NextCursor) {
                Write-Debug "Next cursor: $($Result.NextCursor)"
                $CurrentUri = "$($Uri)?pageSize=$($PageSize)&nextCursor=$($Result.NextCursor)"
            }
        }
        else {
            throw "Failed to get IAM Core object: $($Result.ErrorMessage)"
        }
    }
}