// this code works ok
val id = (models returning models.map(_.id)) += Dashboard.makeObject(name = newModel.name, description = newModel.maybeDescription)

containers += Container.makeObject(1, defaultlayoutId, id)

// ...

// table definition for Dashboard
class Dashboards(tag: Tag) extends Table[Dashboard](tag, "dashboards") {

  def id = column[Long]("id", O.PrimaryKey, O.AutoInc)

  def name = column[String]("name", O.NotNull)

  def description = column[Option[String]]("description", O.Nullable)

  def created = column[Timestamp]("created", O.NotNull, O.DBType("timestamp default now()"))

  def lastUpdated = column[Timestamp]("last_updated", O.NotNull, O.DBType("timestamp default now()"))

  def idx = index("dashboards_unique_name", (name), unique = true)

  //define the "shape" of a single data record
  //we're telling that an object of class Dashboard should be returned
  def * = (id, name, description, created, lastUpdated) <>((Dashboard.apply _).tupled, Dashboard.unapply)

}