| Customer | Relation | Yes | The customer who owns this pre-alert. Auto-filled when the customer creates it themselves. |
| Tracking Number | String | Yes | The carrier tracking number for the incoming package (e.g. from FedEx, UPS, DHL, USPS). |
| Carrier | String | Yes | The name of the carrier or courier handling the international shipment. |
| Description | Text | Yes | Brief description of the contents (e.g. "Electronics - laptop charger"). Used by warehouse staff to identify the parcel. |
| Declared Value | Decimal | No | Estimated value of the package contents. Used for customs and insurance purposes. |
| Currency | Select | No | Currency for the declared value field. |
| Estimated Weight (kg) | Decimal | No | Approximate weight as declared by the sender or carrier. |
| Locker | Relation | Auto | Automatically linked to the customer's assigned locker when created from My Locker. |
| Attachments | Files | No | Supporting documents: purchase invoice, shipping invoice, photos. Accepted formats: PDF, JPG, PNG. |
| Notes | Text | No | Additional comments from the customer or warehouse staff. |
| Status | Enum | Auto | Current pre-alert status. See workflow below. |
