box.broadcast()
-
box.
broadcast
(key, value)¶ Update the value of a particular key and notify all key watchers of the update.
Parameters: - key (
string
) – key name of the event to subscribe to - value – any data that can be encoded in MsgPack
Return: none
Possible errors:
- The value can’t be encoded as MsgPack.
- The key refers to a
box.
system event
Example:
-- Broadcast value 42 for the 'foo' key. box.broadcast('foo', 42)
- key (