|> cast_embed(:url, with: &url_changeset/2)
|> validate_inclusion(:type, ~w[Link Document Audio Image Video])
|> validate_required([:type, :mediaType, :url])
|> cast_embed(:url, with: &url_changeset/2)
|> validate_inclusion(:type, ~w[Link Document Audio Image Video])
|> validate_required([:type, :mediaType, :url])