Generate Twilio access token for video usage in ruby

twilio.rb

module App
  class Twilio
    ACCOUNT_SID = 'XXXXXXXXXXXXXXXXX'.freeze
    API_KEY_SID = 'XXXXXXXXXXXXXXXXX'.freeze
    API_SECRET = 'XXXXXXXXXXXXXXXXX'.freeze
    VIDEO_SID = 'XXXXXXXXXXXXXXXXX'.freeze

    def generate_token(user_id)
      # Create an Access Token for Video usage
      token = ::Twilio::Util::AccessToken.new ACCOUNT_SID, API_KEY_SID, API_SECRET, 3600, user_id
      # Grant access to Twilio Video
      grant = ::Twilio::Util::AccessToken::ConversationsGrant.new
      grant.configuration_profile_sid = VIDEO_SID
      token.add_grant grant
      token.to_jwt
    end
  end
end