public function channel($channel, $callback, $options = [])
    {
        $this->channels[$channel] = $callback;

        $this->channelOptions[$channel] = $options;

        return $this;
    }
public function channel($channel, $callback, $options = [])
    {
        $this->channels[$channel] = $callback;

        $this->channelOptions[$channel] = $options;

        return $this;
    }
public function channel ( $ channel , $ callback , $ options = [ ] ) { $ this -> channels [ $ channel ] = $ callback ; $ this -> channelOptions [ $ channel ] = $ options ; return $ this ; }
Register a channel authenticator.

@param  string  $channel
@param  callable|string  $callback
@param  array  $options
@return $this
Register a channel authenticator .