# Module ubf_driver # * [Description](#description) * [Function Index](#index) * [Function Details](#functions)
Protocol driver process for UBF(a) protocol sessions.
. __Behaviours:__ [`contract_driver`](contract_driver.md). ## Function Index ##| decode/4 | |
| encode/3 | |
| init/1 | |
| init/2 | |
| start/1 | |
| start/2 |