# File lib/uniform_notifier/slack.rb, line 14
      def setup_connection(config = {})
        webhook_url, options = parse_config(config)
        fail_connection('webhook_url required for Slack notification') unless webhook_url

        require 'slack-notifier'
        @slack = ::Slack::Notifier.new webhook_url, options
      rescue LoadError
        fail_connection 'You must install the slack-notifier gem to use Slack notification: '\
                        '`gem install slack-notifier`'
      end