Page Comparison

"triggers": [
  {
    "event":"on-expirechange-state",
    "conditions": [
      {
        "state": "Published"
      }
    ],  
    "actions": [
      {
        "action":"send-email",
        "recipients": [
            "@document_user_reviewers@@watchers",
            "@watchers@creator",
            "@creator@lastUpdatedBy",
            "@lastUpdatedBy@document_user_reviewers@"
        ],
        "notification": {
          	"subject":"${content.title} has been expiredpublished",
          	"title":"${content.title} hasis expiredpublished",
          	"body":"Hello, ${content.link} in the ${content.space} space has expiredapproved and is needsnow in tothe bePUBLISHED reviewedstate"
        }
      },
      {
        "action":"set-message",
        	"type":"info",
        	"title":"ExpiredPublished",
        	"body":"The page has expired been approved and published",
        	"tags":"state",
        	"mode":"autoClose"
      }
    ]
  }
]

If adding the JSON trigger using workflow builder there is no need to include the opening "triggers": JSON markup notation, since it will be added by workflow builder.