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

Returns

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)