How to automatically link between parent link and project owner.

[satish]

• import com.onresolve.jira.groovy.user.FieldBehaviours
  import com.onresolve.jira.groovy.user.FormField
   
  def regissue = getFieldByName("Parent Link")
  def regver = getFieldByName("Project Owner")
   
  String vregissue = (String) regissue.getFormValue()
  String vregver = (String) regver.getFormValue()
   
  //to see values near fields uncomment sentences
  regissue.setHelpText("regissue: " + vregissue)
  regver.setHelpText("regver: " + vregver)
   
  regissue.setRequired(true)
   
  if (vregissue == "regissue") {           
         regver == vregver
  } else {
         regver.setRequired(false)
  }