with(
 local!ruleURI: getdatasubsetdownloadlinkfromrule(rule!TEST_exportAllEmployees),
  a!dashboardLayout(
   firstColumnContents: {
     if(isNull(local!ruleURI),
      a!textField(
        value: "Unable to export data to Excel at this time.",
        readOnly: true
        ),
         a!linkField(
           links: a!safeLink(
             label: "Click here to export this data to Excel.",
             uri: local!ruleURI
          )
        )
      )
    }
  )
)