Public Class HistoryItem
    Public Property JobName As String
    Public Property CreatedAt As DateTime
    Public Property Successful As Boolean
    Public Property ErrorMessage As String
    Public Property Message As String
    Public Property Steps As List(Of HistoryStep)

    Public Class HistoryStep
        Public Property Created As Date = Now
        Public Property Message As String
        Public Property Level As StepLevel
    End Class

    Public Enum StepLevel
        Debug
        Info
        Warning
        [Error]
    End Enum

End Class