In LabVIEW 2019, you can display a history of the data that flowed through a wire by placing a history probe on the wire.



You can use history probes with the following data types:

  • Boolean
  • String
  • Path
  • I8
  • I16
  • I32
  • I64
  • U8
  • U16
  • U32
  • U64
  • SGL
  • DBL
  • EXT
  • CSG
  • CDB
  • CXT

To place a history probe on a wire, right-click the wire and select Custom Probe and select the history probe option for your data type.