The Reason configuration option indicates why a Request or Response occurs. This option is intended for informational purposes only.
| Type | A one-octet field that indicates the type of the BAP datagram option. For Reason, this is 04. |
| Length | A one-octet field that indicates the length of this BAP option, including the Type, Length, and Reason string fields. |
| Reason String | An ASCII string. The content is implementation dependent. |