# `Replicant.Decoder.Messages.Begin`
[🔗](https://github.com/baselabs/replicant/blob/v0.3.1/lib/replicant/decoder/messages.ex#L11)

`B` — start of a transaction; carries the final LSN, commit timestamp, and xid.

# `t`

```elixir
@type t() :: %Replicant.Decoder.Messages.Begin{
  commit_timestamp: DateTime.t() | nil,
  final_lsn: Replicant.lsn() | nil,
  xid: non_neg_integer() | nil
}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*