content: 
  Sub init()
      m.title = m.top.findNode("titleLabel")
      m.description = m.top.findNode("descriptionLabel")
      m.releaseDate  = m.top.findNode("releaseDateLabel")
  End Sub
  
  ' Content change handler
  Sub onContentChanged()
      item = m.top.content
  
      title = item.title.toStr()
      if title <> invalid then
          m.title.text = title.toStr()
      end if
      
      value = item.description
      if value <> invalid then
          if value.toStr() <> "" then
              m.description.text = value.toStr()
          else
              m.description.text = "No description"
          end if
      end if
      
      value = item.releaseDate
      if value <> invalid then
          if value <> "" then
              m.releaseDate.text = value.toStr()
          else
              m.releaseDate.text = "No release date"
          end if
      end if
  End Sub
  