# `Tinkex.Types.ForwardBackwardInput`
[🔗](https://github.com/North-Shore-AI/tinkex/blob/v0.4.0/lib/tinkex/types/forward_backward_input.ex#L1)

Input for forward-backward pass.

Mirrors Python tinker.types.ForwardBackwardInput.

# `t`

```elixir
@type t() :: %Tinkex.Types.ForwardBackwardInput{
  data: [Tinkex.Types.Datum.t()],
  loss_fn: Tinkex.Types.LossFnType.t() | String.t(),
  loss_fn_config: map() | nil
}
```

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