BlazorOpenApi/BlazorOpenApi/Controls/DiscriminatorControl.razor

@if (Value != null)
{
    <div class="descriminator">
        <Text Value="@Value.PropertyName" />
        <table>
            <thead>
                <tr>
                    <th>From</th>
                    <th>To</th>
                </tr>
            </thead>
            <tbody>
                @foreach (var item in Value.Mapping)
                {
                    <tr>
                        <td>@item.Key</td>
                        <td>@item.Value</td>
                    </tr>
                }
            </tbody>
        </table>
    </div>
}

@code {
    [Parameter]
    public OpenApiDiscriminator? Value { get; set; }
}