{
  "author":{
     "path":"$['author'][*]['fullname']"
  },
  "title":{
     "path":"$['title'][*]['value']"
  },
  "orcid":{
     "path":"$['author'][*]['pid'][*][?(@['qualifier']['classid']=='orcid')]['value']"
  },
  "orcid_pending":{
     "path":"$['author'][*]['pid'][*][?(@['qualifier']['classid']=='orcid_pending')]['value']"
  },
  "contributor":{
     "path":"$['contributor'][*]['value']"
  },
  "description":{
     "path":"$['description'][*]['value']"
  },
  "subject":{
     "path":"$['subject'][*]['value']"
  },
   "fos":{
      "path":"$['subject'][?(@['qualifier']['classid']=='FOS')].value"
   },
   "sdg":{
      "path":"$['subject'][?(@['qualifier']['classid']=='SDG')].value"
   },
   "journal":{
      "path":"$['journal'].name"
   },
   "hostedby":{
      "path":"$['instance'][*]['hostedby']['key']"
   },
   "collectedfrom":{
      "path":"$['instance'][*]['collectedfrom']['key']"
   },
   "publisher":{
      "path":"$['publisher'].value"
   },
   "publicationyear":{
      "path":"$['dateofacceptance'].value",
      "action":{
         "clazz":"eu.dnetlib.dhp.bulktag.actions.ExecSubstringAction",
         "method":"execSubstring",
         "params":[
            {
               "paramName":"From",
               "paramValue":0
            },
            {
               "paramName":"To",
               "paramValue":4
            }
         ]
      }
   }
}