# Messages


## Fields

| Field                                                                                                      | Type                                                                                                       | Required                                                                                                   | Description                                                                                                | Example                                                                                                    |
| ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- |
| `code`                                                                                                     | *Optional[str]*                                                                                            | :heavy_minus_sign:                                                                                         | N/A                                                                                                        |                                                                                                            |
| `source`                                                                                                   | *Optional[str]*                                                                                            | :heavy_minus_sign:                                                                                         | N/A                                                                                                        | UPS                                                                                                        |
| `text`                                                                                                     | *Optional[str]*                                                                                            | :heavy_minus_sign:                                                                                         | N/A                                                                                                        | RatedShipmentWarning: User Id and Shipper Number combination is not qualified to receive negotiated rates. |