# `Codex.Realtime.ModelEvents.TranscriptDeltaEvent`
[🔗](https://github.com/nshkrdotcom/codex_sdk/blob/v0.16.1/lib/codex/realtime/model_events.ex#L81)

Partial transcript update.

# `t`

```elixir
@type t() :: %Codex.Realtime.ModelEvents.TranscriptDeltaEvent{
  delta: String.t(),
  item_id: String.t(),
  response_id: String.t(),
  type: :transcript_delta
}
```

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