fix cron trigger output

packages/server/src/api/controllers/automation.js

@@ -65,7 +65,10 @@ async function checkForCronTriggers({ appId, oldAuto, newAuto }) {
   // need to create cron job
   else if (isCronTrigger(newAuto) && cronTriggerActivated) {
     const job = await triggers.automationQueue.add(
-      { automation: newAuto, event: { appId } },
+      {
+        automation: newAuto,
+        event: { appId, timestamp: Date.now() },
+      },
       { repeat: { cron: newTrigger.inputs.cron } }
     )
     // Assign cron job ID from bull so we can remove it later if the cron trigger is removed

packages/server/src/automations/triggers.js

@@ -216,7 +216,15 @@ const BUILTIN_DEFINITIONS = {
         },
         required: ["cron"],
       },
-      outputs: {},
+      outputs: {
+        properties: {
+          timestamp: {
+            type: "number",
+            description: "Timestamp the cron was executed",
+          },
+        },
+        required: ["timestamp"],
+      },
     },
     type: "TRIGGER",
   },