$_PARAMS not availabe under data binding of Validate Data in Library

OS info

  • Operating System : Windows 10.0.22621
  • Wappler Version : 6.0.4

Problem description

Steps to reproduce

  1. Add a Library Action.
  2. Add a variable under $_PARAMS.
  3. Add a Validate Data step.
  4. Click icon under Expression.
  5. $_PARAM is not listed.