       'slack'
     else if (robot.adapterName == 'rocketchat')
       'rocketchat'
-    else if (robot.adapterName == 'telegram')
-      'telegram'
     else
       ''
   isUploadSupported = site() != ''


          # Build links for message sending
          title = formatTitleWithTemplate(panel.title, template_map)
          db = if query.useUid then dashboard.dashboard.uid else "db"
          imageUrl = "#{endpoint.host}/render/#{query.apiEndpoint}/#{db}/#{slug}/?panelId=#{panel.id}&width=#{query.width}&height=#{query.height}&from=#{timespan.from}&to=#{timespan.to}#{variables}"
          if query.tz
            imageUrl += "&tz=#{encodeURIComponent query.tz}"
          if query.orgId
            imageUrl += "&orgId=#{encodeURIComponent query.orgId}"
          link = "#{endpoint.host}/dashboard/db/#{slug}/?panelId=#{panel.id}&fullscreen&from=#{timespan.from}&to=#{timespan.to}#{variables}"

          sendDashboardChart msg, title, imageUrl, link

      width: process.env.HUBOT_GRAFANA_DEFAULT_WIDTH or 1000
      height: process.env.HUBOT_GRAFANA_DEFAULT_HEIGHT or 500
      tz: process.env.HUBOT_GRAFANA_DEFAULT_TIME_ZONE or ""
    endpoint = get_grafana_endpoint(msg)
    if not endpoint
      sendError 'No Grafana endpoint configured.', msg
