Sent when a notification is sent to a customer

Example "notification.new" webhook payload
{
  "id": 3125555,
  "created_at": 1530213415,
  "livemode": true,
  "object": "webhook_event",
  "type": "notification.new",
  "retry_count": 0,
  "webhook_setting_id": 335777,
  "data": {
    "object": {
      "id": 38888,
      "object": "notification",
      "category": "package_delivered",
      "created_at": 1530213415,
      "language_code": "fr",
      "name": "Package delivered to 3rd party",
      "slug": "package_delivered_to_3rd_party",
      "uuid": "00000000-0000-0000-0000-000000000000",
      "survey_links": {
        "satisfied": null,
        "dissatisfied": null
      },
      "source_id": 345666,
      "source_type": "tracker",
      "source": {
        "id": 345666,
        "object": "tracker",
        "carrier": {
          "name": "Colissimo",
          "code": "colissimo"
        },
        "carrier_service": {
          "code": "base",
          "name": "Base"
        },
        "carrier_code": "colissimo",
        "carrier_tracking_url": "http://www.laposte.fr/outils/suivre-vos-envois?code=AZ123456789BE",
        "created_at": 1530213415,
        "delivered_at": 1530213415,
        "delivery_status_code": "delivered",
        "shipped_at": 1530040615,
        "first_delivery_attempted_at": 1530127015,
        "tracking_number": "AZ123456789BE",
        "uuid": "00000000-0000-0000-0000-000000000000",
        "fulfillment": {
          "id": 36789,
          "object": "fulfillment",
          "merchant_id": "internal_id_1234",
          "fulfillment_number": "XYZABCD_1",
          "order": {
            "id": 311111,
            "object": "order",
            "order_number": "ABCD123",
            "merchant_id": "internal_id_9876",
            "email": "[email protected]",
            "phone": null,
            "uuid": "00000000-0000-0000-0000-000000000000",
            "ordered_at": 1529867815
          },
          "shipping_address": {
            "id": 322222,
            "object": "address",
            "comment": null,
            "city": "Paris",
            "country": "France",
            "country_code": "FR",
            "state": null,
            "address1": "1, rue de Rivoli",
            "address2": null,
            "zip": "75001",
            "company_title": "ACME Corp",
            "first_name": "John",
            "last_name": "Doe",
            "name": "John Doe"
          }
        },
        "pickup_point": {
          "opening_hours": {
            "tue": "06:30-19:00"
          },
          "closed_dates": {
            "01/05/2021": true,
            "25/12/2021": true
          },
          "special_openings": {
          },
          "phone": "+33612345678",
          "address": {
            "id": 77333,
            "object": "address",
            "comment": null,
            "city": "Paris",
            "country": "France",
            "country_code": "FR",
            "state": null,
            "address1": "1 place du 11 novembre 1918",
            "address2": null,
            "zip": "75010",
            "company_title": null,
            "first_name": null,
            "last_name": null,
            "name": null
          },
          "map": {
            "banner_url": "https://shipup-assets-prod.s3.eu-west-1.amazonaws.com/pickup_point_banners/colissimo/CONSIGNE PICKUP GARE DE L EST/097095.jpg",
            "google_maps_link": "https://www.google.com/maps/search/?api=1&query=48.876932%2C2.359989"
          }
        }
      }
    },
    "reason": {
      "kind": "new",
      "notification_id": 38888
    }
  }
}