# Protocol Header (Bytefield)

![Simple Protocol Header](https://help.gocapable.com/images/att1225654423.svg)

```
(draw-column-headers)
(draw-box "V" {:span 1})
(draw-box "T" {:span 1})
(draw-box "Length" {:span 2})
(draw-related-boxes [0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07])
(draw-box "Hash" {:span 2})
(draw-gap "Payload")
(draw-bottom)
```