TenantNotification class in ASPNET zero

Question

I want to get CreatorUserId In TenantNotification.cs in aspnet zero. Can you guide me how can i do this.i was trying to figure out but avail.

// // Summary: // Represents a published notification for a tenant/user. [Serializable] public class TenantNotification : EntityDto, IHasCreationTime { // // Summary: // Tenant Id. public int? TenantId { get; set; }

    //
    // Summary:
    //     Unique notification name.
    public string NotificationName
    {
        get;
        set;
    }

    //
    // Summary:
    //     Notification data.
    public NotificationData Data
    {
        get;
        set;
    }

    //
    // Summary:
    //     Gets or sets the type of the entity.
    [Obsolete("(De)serialization of System.Type is bad and not supported. See https://github.com/dotnet/corefx/issues/42712")]
    public Type EntityType
    {
        get;
        set;
    }

    //
    // Summary:
    //     Name of the entity type (including namespaces).
    public string EntityTypeName
    {
        get;
        set;
    }

    //
    // Summary:
    //     Entity id.
    public object EntityId
    {
        get;
        set;
    }

    //
    // Summary:
    //     Severity.
    public NotificationSeverity Severity
    {
        get;
        set;
    }

    public DateTime CreationTime
    {
        get;
        set;
    }

    //
    // Summary:
    //     Initializes a new instance of the Abp.Notifications.TenantNotification class.
    public TenantNotification()
    {
        CreationTime = Clock.Now;
    }
}