You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: slack_slash_commands.rb
    path of file: ./repos/gitlabhq/app/models/integrations
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

module Integrations
  class SlackSlashCommands < BaseSlashCommands
    include Ci::TriggersHelper

    SL
    
    def confirmation_url(command_id, params)
      team, channel, response_url = params.values_at(:team_id, :channel_id, :response_url)

      Rails.application.routes.url_helpers.project_integrations_slash_commands_url(
        project, command_id: command_id, integration: to_param, team: team, channel: channel, response_url: response_url
      )
    end