Daybreak/Daybreak.Core/Views/Components/Options/MultiSelectOption.razor

<div class="option-display-box">
    <div class="option-content">
        <div class="option-title">@this.Name</div>
        <div class="option-description">@this.Description</div>
    </div>
    <div class="option-control">
        <FluentSelect TOption="string" @bind-Value="this.SelectedValue" 
                      @onchange="OnSelectionChanged">
            @foreach (var option in this.PossibleValues)
            {
                <FluentOption TOption="string" Value="@option.ToString()">@option.ToString()</FluentOption>
            }
        </FluentSelect>
    </div>
</div>

@inherits OptionBase<object>
@code {
    [Parameter]
    public required List<object> PossibleValues { get; init; }

    private string SelectedValue { get; set; } = string.Empty;

    protected override object ConvertValue(OptionInstance optionInstance, OptionProperty property)
    {
        var value = property.Getter(optionInstance);
        return value!;
    }

    protected override Task OnParametersSetAsync()
    {
        var result = base.OnParametersSetAsync();
        this.SelectedValue = this.Value?.ToString() ?? string.Empty;
        return result;
    }

    private void OnSelectionChanged(ChangeEventArgs e)
    {
        var selectedString = e.Value?.ToString() ?? string.Empty;
        this.SelectedValue = selectedString;

        // Find the matching enum value
        var selectedValue = this.PossibleValues.FirstOrDefault(v => v.ToString() == selectedString);
        if (selectedValue is not null)
        {
            this.Value = selectedValue;
            this.Property.Setter(this.Instance, selectedValue);
            this.NotifyValueChanged();
        }
    }
}