# `OpenRtbEcto.V2.Native.Helper`
[🔗](https://github.com/AppMonet/open_rtb_ecto/blob/v1.4.6/lib/open_rtb_ecto/v2/native/helper.ex#L1)

# `validate_media`

```elixir
@spec validate_media(Ecto.Changeset.t()) :: Ecto.Changeset.t()
```

Validates that there is max one item from the media list present in the changeset of the response and request
asset objects.

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