diff --git a/operator-and-conversation/seats/operator-channel/fixtures/verbs.json b/operator-and-conversation/seats/operator-channel/fixtures/verbs.json
new file mode 100644
index 0000000..2bad6cc
--- /dev/null
+++ b/operator-and-conversation/seats/operator-channel/fixtures/verbs.json
@@ -0,0 +1,13 @@
+[
+  {
+    "name": "notify asks the message sent on every channel",
+    "of": "verb:notify.input",
+    "given": {
+      "key": "widens.mesh-delivery",
+      "severity": "warning",
+      "summary": "a change widens what a module may do",
+      "subject": "mesh-delivery",
+      "every-channel": true
+    }
+  }
+]
diff --git a/operator-and-conversation/seats/operator-channel/seat.json b/operator-and-conversation/seats/operator-channel/seat.json
index 7a11f0f..4ecbb69 100644
--- a/operator-and-conversation/seats/operator-channel/seat.json
+++ b/operator-and-conversation/seats/operator-channel/seat.json
@@ -78,6 +78,10 @@
           "clear": {
             "type": "boolean",
             "description": "it is over"
+          },
+          "every-channel": {
+            "type": "boolean",
+            "description": "send it on every channel's send, as a break-glass act is announced, not on the operator's chosen channel alone (design 47 G 514)"
           }
         }
       },