Page Comparison

"triggers":
[
   {
      "event":"on-expire",
      "actions":[
         {
            "action":"send-email",
            "recipients":[
               "@watchers",
               "@creator",
               "@lastUpdatedBy"
            ],
            "notification":{
               "subject":"${content.title} has expired",
               "title":"${content.title} has expired",
               "body":"Hello, ${content.link} in the ${content.space} space has expired and needs to be reviewed"
            }
         },
         {
            "action":"set-message",
            "type":"info",
            "title":"Expired",
            "body":"The page has expired",
 
          "tags":"state",
            "mode":"autoClose"
         }
      ]
   }
]

If adding the JSON trigger using workflow builder, there is no need to include the opening "triggers": JSON markup notation, as

workflow builder will

automatically add it.