From 215a28b615ce3918ed3ffc8387a20b55d8faab83 Mon Sep 17 00:00:00 2001
From: Dave Horton <daveh@beachdognet.com>
Date: Thu, 20 Oct 2022 12:25:50 -0400
Subject: [PATCH] bugfix: conference verb will have '_' property when leg is
 moved from other FS

---
 lib/tasks/task.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/tasks/task.js b/lib/tasks/task.js
index 7c683c4e..ba6cd530 100644
--- a/lib/tasks/task.js
+++ b/lib/tasks/task.js
@@ -336,6 +336,9 @@ class Task extends Emitter {
         }
         required = required.filter((item) => item !== dKey);
       }
+      else if (dKey === '_') {
+        /* no op: allow arbitrary info to be carried here, used by conference e.g in transfer */
+      }
       else throw new Error(`${name}: unknown property ${dKey}`);
     }
     if (required.length > 0) throw new Error(`${name}: missing value for ${required}`);