diff --git a/seats/node-backup/seat.json b/seats/node-backup/seat.json
index e9a8efe..a2b0ece 100644
--- a/seats/node-backup/seat.json
+++ b/seats/node-backup/seat.json
@@ -68,6 +68,70 @@
       "class": "act"
     }
   ],
+  "events": [
+    {
+      "name": "item-started",
+      "subject": "item-started.<node>.<module>.<item>",
+      "keep": {
+        "max-age-days": 7,
+        "last-per-subject": true
+      },
+      "body": {
+        "type": "object",
+        "description": "the holder started backing up one item of a module on its node, said before it reads the recovery module's restore-started and restored (design 47 G 554, 563)",
+        "required": [
+          "at"
+        ],
+        "properties": {
+          "at": {
+            "type": "string",
+            "format": "date-time",
+            "description": "when the item started, RFC 3339"
+          }
+        }
+      }
+    },
+    {
+      "name": "item-ended",
+      "subject": "item-ended.<node>.<module>.<item>",
+      "keep": {
+        "max-age-days": 7,
+        "last-per-subject": true
+      },
+      "body": {
+        "type": "object",
+        "description": "the holder ended one item: done, failed (error stopped for an item it said started and never ended, at its start) or put-off while a restore of the recovery module runs, the item started again when that restore's restored is heard (design 47 G 554, 563)",
+        "required": [
+          "at",
+          "outcome"
+        ],
+        "properties": {
+          "at": {
+            "type": "string",
+            "format": "date-time",
+            "description": "when the item ended, RFC 3339"
+          },
+          "outcome": {
+            "type": "string",
+            "enum": [
+              "done",
+              "failed",
+              "put-off"
+            ],
+            "description": "how the item ended; a put-off item is that night's backup once it runs, neither failed nor missed"
+          },
+          "restore": {
+            "type": "string",
+            "description": "with put-off, the act of the recovery module's restore the item gave way to"
+          },
+          "error": {
+            "type": "string",
+            "description": "with failed, why, in words; stopped for an item ended at the holder's start"
+          }
+        }
+      }
+    }
+  ],
   "receives": [
     {
       "kind": "backup",