# `PhoenixAI.Store.CostTracking.CostRecord`
[🔗](https://github.com/franciscpd/phoenix-ai-store/blob/v0.1.0/lib/phoenix_ai/store/cost_tracking/cost_record.ex#L1)

A cost record linked to a conversation turn.

Records the token usage and computed cost for a single AI provider
call, using `Decimal` for all monetary values.

# `t`

```elixir
@type t() :: %PhoenixAI.Store.CostTracking.CostRecord{
  conversation_id: String.t(),
  id: String.t() | nil,
  input_cost: Decimal.t(),
  input_tokens: non_neg_integer(),
  metadata: map(),
  model: String.t(),
  output_cost: Decimal.t(),
  output_tokens: non_neg_integer(),
  provider: atom(),
  recorded_at: DateTime.t() | nil,
  total_cost: Decimal.t(),
  user_id: String.t() | nil
}
```

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