Meta new/returning events with "origin"

meta_sample_payload.json

{
    "data": [
        {
            "event_name": "Purchase_NewCustomer",
            "event_time": 1713300268,
            "action_source": "website",
            "user_data": {
                "em": [
                    "7b17fb0bd173f625b58636fb796407c22b3d16fc78302d79f0fd30c2fc2fc068"
                ],
                "ph": [
                    null
                ]
            },
            "custom_data": {
                "currency": "USD",
                "value": "142.52",
                "origin": "MetaCheckout"
            }
        }
    ]
}