TourIAm/TIAMSharedUI/Pages/User/Messages.razor

@page "/user/messages/{userId:guid}"

<div class="card-body card-admin-body py-2 px-4">
    <div class="d-flex flex-column mb-4 pb-2">

        <p>@userId.ToString()</p>

    </div>
</div>


@code {
    [Parameter] public Guid? userId { get; set; }


}