{ "rules_pece_artifact_expired" : {
    "LABEL" : "PECE Artifact Expired",
    "PLUGIN" : "reaction rule",
    "OWNER" : "rules",
    "REQUIRES" : [ "rules", "node_expire" ],
    "ON" : { "node_expired" : [] },
    "DO" : [
      { "mail" : {
          "to" : [ "node:author:mail" ],
          "subject" : "[[site:name]]: your artifact \u0022[node:title]\u0022 
              has expired.",
          "message" : "Dear [node:author],\r\n\r\nYour artifact \u0022
              [node:title]\u0022 has expired on [node:field-expirationdate].
              \r\nYou can access the artifact using this URL: [node:url]\r\n
              \r\n---\r\n[site:name]\r\n[site:url]",
          "language" : [ "" ]
        }
      }
    ]
  }
}