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Methods
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Instance Public methods

broadcast_to(broadcastables, message)

Broadcast a hash to a unique broadcasting for this array of broadcastables in this channel.

Source: show | on GitHub 

# File actioncable/lib/action_cable/channel/broadcasting.rb, line 14
def broadcast_to(broadcastables, message)
  ActionCable.server.broadcast(broadcasting_for(broadcastables), message)
end

broadcasting_for(broadcastables)

Returns a unique broadcasting identifier for this model in this channel:

CommentsChannel.broadcasting_for("all") # => "comments:all"

You can pass an array of objects as a target (e.g. Active Record model), and it would be serialized into a string under the hood.

Source: show | on GitHub 

# File actioncable/lib/action_cable/channel/broadcasting.rb, line 24
def broadcasting_for(broadcastables)
  serialize_broadcasting([ channel_name ] + Array(broadcastables))
end